Question 1: Palette 1/224

JEE Mains 2026 MCQ

A student performed analysis of aliphatic organic compound ‘X’ which on analysis gave C = 61.01%, H = 15.25%, N = 23.74%.

This compound, on treatment with HNO₂/H₂O produced another compound ‘Y’ which did not contain any nitrogen atom. However, the compound ‘Y’ upon controlled oxidation produced another compound ‘Z’ that responded to iodoform test.

The structure of ‘X’ is :

A

CH₃–CH₂CH(NH₂)–CH₃

B

CH₃CH₂CH₂NH₂

C

Ph–CH(CH₃)–NH₂

D

Question 2: Palette 2/224

JEE Mains 2026 MCQ

Total number of alkali insoluble solid sulphonamides obtained by reaction of given amines with Hinsberg's reagent is ________.

Aniline, N-Methylaniline, Methanamine, N,N-Dimethylmethanamine, N-Methyl methanamine, Phenylmethanamine, N-propylaniline, N-phenylaniline, N,N-Dimethylaniline, Allyl amine, Isopropyl amine

A

8

B

5

C

2

D

4

Question 3: Palette 3/224

JEE Mains 2026 MCQ

Given below are two statements :

Statement I : The dipole moment of R-CN is greater than R-NC and R-NC can

Statement II : R-CN hydrolyses under acidic medium to produce a compound which on treatment with $\mathrm{SOCl}_2$, followed by the addition of $\mathrm{NH}_3$ gives another compound $(\mathrm{x})$. This compound $(\mathrm{x})$ on treatment with $\mathrm{NaOCl} / \mathrm{NaOH}$ gives a product, that on treatment with $\mathrm{CHCl}_3 / \mathrm{KOH} / \Delta$ produces R-NC

In the light of the above statements, choose the correct answer from the options given below

A

Both Statement I and Statement II are false

B

Statement I is false but Statement II is true

C

Statement I is true but Statement II is false

D

Both Statement I and Statement II are true

Question 4: Palette 4/224

JEE Mains 2026 MCQ

A student has planned to prepare acetanilide from aniline using acetic anhydride.

The student has started from 9.3 g of aniline. However, the student has managed to obtain 11 g of dry acetanilide.

The % yield of this reaction is :-

A

59.5%

B

$72.5 %$

C

$97.5 %$

D

81.5%

Question 5: Palette 5/224

JEE Mains 2026 MCQ

$ \text { The correct stability order of the following diazonium salts is } $

A

$C>D>B>A$

B

$A>C>D>B$

C

$\mathrm{A}>\mathrm{B}>\mathrm{C}>\mathrm{D}$

D

$\mathrm{C}>\mathrm{A}>\mathrm{D}>\mathrm{B}$

Question 6: Palette 6/224

JEE Mains 2026 MCQ

$ \text { Given below are two statements : } $

In the light of the above statements, choose the correct answer from the options given below

A

Both Statement I and Statement II are true

B

Statement I is false but Statement II is true

C

Statement I is true but Statement II is false

D

Both Statement I and Statement II are false

Question 7: Palette 7/224

JEE Mains 2026 MCQ

A student has been given a compound " $x$ " of molecular formula- $\mathrm{C}_6 \mathrm{H}_7 \mathrm{~N}$. ' $x$ ' is sparingly soluble in water. However, on addition of dilute mineral acid, ' $x$ ' becomes soluble in water. ' $x$ ' when treated with $\mathrm{CHCl}_3$ and $\mathrm{KOH}(\mathrm{alc})$, ' $y$ ' is produced. ' $y$ ' has a specific unpleasant smell. On treatment with benzenesulphonyl chloride, ' $x$ ' gives a compound ' $z$ ' which is soluble in alkali. The number of different " H " atoms present in ' z ' is:-

A

8

B

4

C

5

D

7

Question 8: Palette 8/224

JEE Mains 2026 MCQ

Consider the following sequence of reactions.

Assuming that the reaction proceeds to completion, then 137 mg of 4-nitrotoluene will produce

$\_\_\_\_$ mg of $B$.

(Given molar mass in $\mathrm{g} \mathrm{mol}^{-1} \mathrm{H}: 1, \mathrm{C}: 12, \mathrm{~N}: 14, \mathrm{O}: 16, \mathrm{Br}: 80$ )

A

208

B

228

C

146

D

301

Question 9: Palette 9/224

JEE Mains 2026 MCQ

'A' is a neutral organic compound (M. F : $\mathrm{C}_8 \mathrm{H}_9 \mathrm{ON}$ ). On treatment with aqueous $\mathrm{Br}_2 / \mathrm{HO}^{(-)}$, ' A ' forms a compound ' B ' which is soluble in dilute acid. ' B ' on treatment with aqueous $\mathrm{NaNO}_2 / \mathrm{HCl}\left(0-5^{\circ} \mathrm{C}\right)$ produces a compound ' C ' which on treatment with $\mathrm{CuCN} / \mathrm{NaCN}$ produces ' D '. Hydrolysis of ' D ' produces ' E ' which is also obtainable from the hydrolysis of ' A '. ' E ' on treatment with acidified $\mathrm{KMnO}_4$ produces ' F '. ' F ' contains two different types of hydrogen atoms. The structure of ' A ' is

A

B

C

D

Question 10: Palette 10/224

JEE Mains 2026 MCQ

Consider the above sequence of reactions. The number of bromine atom(s) in the final product (P) will be :

A

6

B

5

C

1

D

3

Question 11: Palette 11/224

JEE Mains 2026 MCQ

An organic compound $(\mathrm{P})$ on treatment with aqueous ammonia under hot condition forms compound $(\mathrm{Q})$ which on heating with $\mathrm{Br}_2$ and KOH forms compound $(\mathrm{R})$ having molecular formula $\mathrm{C}_6 \mathrm{H}_7 \mathrm{~N}$. Names of P, Q and R respectively are.

A

Toluic acid, methylbenzamide, 2-methylaniline

B

Benzoic acid, benzamide, aniline

C

Benzoic acid, 4-methylbenzamide, 4-methylaniline

D

Phenylethanoic acid, phenylethanamide, benzamine

Question 12: Palette 12/224

JEE Mains 2026 MCQ

A hydrocarbon ' P ' $\left(\mathrm{C}_4 \mathrm{H}_8\right)$ on reaction with HCl gives an optically active compound ' Q ' $\left(\mathrm{C}_4 \mathrm{H}_9 \mathrm{Cl}\right)$ which on reaction with one mole of ammonia gives compound ' $\mathrm{R}^{\prime}\left(\mathrm{C}_4 \mathrm{H}_{11} \mathrm{~N}\right)$. ' $\mathrm{R}^{\prime}$ on diazotization followed by hydrolysis gives ' S '. Identify $\mathrm{P}, \mathrm{Q}, \mathrm{R}$ and S .

A

B

C

D

Question 13: Palette 13/224

JEE Mains 2026 MCQ

Which statements are True?

A. In Hoffmann bromamide degradation, 4 moles of NaOH and 2 moles of $\mathrm{Br}_2$ are consumed per mole of an amide

B. Hoffmann bromamide reaction is not given by alkyl amides.

C. Primary amines can be synthesized by Hoffmann bromamide degradation.

D. Secondary amide on reaction with $\mathrm{Br}_2$ and NaOH will give secondary amine.

E. The by-products of Hoffmann degradation are $\mathrm{Na}_2 \mathrm{CO}_3, \mathrm{NaBr}$ and $\mathrm{H}_2 \mathrm{O}$.

Choose the correct answer from the options given below :

A

A, C and E only

B

B, C and D only

C

C and E only

D

C, D and E only

Question 14: Palette 14/224

JEE Mains 2026 MCQ

Which of the following amino acid will give violet coloured complex with neutral ferric chloride solution?

A

Threonine

B

Serine

C

Tyrosine

D

Cysteine

Question 15: Palette 15/224

JEE Mains 2026 MCQ

Consider the following organic reaction sequence. Choose the final product $(X)$ from the following (consider the major product in all intermediate reactions)

A

Benzene

B

Phenol

C

Propanol

D

Chlorobenzene

Question 16: Palette 16/224

JEE Mains 2026 MCQ

The number of compounds from the following which can undergo reaction with $\mathrm{Br}_2 / \mathrm{KOH}$ (alcoholic) to give respective products and these respective products can also be obtained separately by Gabriel phthalimide reaction is :

A

5

B

4

C

3

D

6

Question 17: Palette 17/224

JEE Mains 2026 MCQ

Arrange the following compounds according to increasing order of boiling points.

$ \mathrm{n}-\mathrm{C}_4 \mathrm{H}_9 \mathrm{OH}(\mathrm{~A}), \mathrm{n}-\mathrm{C}_4 \mathrm{H}_9 \mathrm{NH}_2(\mathrm{~B}), \mathrm{n}-\mathrm{C}_4 \mathrm{H}_{10}(\mathrm{C}) \text { and } \mathrm{C}_2 \mathrm{H}_5 \mathrm{NHC}_2 \mathrm{H}_5(\mathrm{D}) . $

A

$ \mathrm{C}<\mathrm{B}<\mathrm{A}<\mathrm{D} $

B

$ \mathrm{D}<\mathrm{C}<\mathrm{B}<\mathrm{A} $

C

$ \mathrm{C}<\mathrm{D}<\mathrm{B}<\mathrm{A} $

D

$ \mathrm{D}<\mathrm{B}<\mathrm{A}<\mathrm{C} $

Question 18: Palette 18/224

JEE Mains 2026 MCQ

Given below are two statements :

Statement I : Heating benzamide with bromine in an ethanolic solution of sodium hydroxide will give benzylamine.

Statement II : Nitration of aniline with $\mathrm{HNO}_3 / \mathrm{H}_2 \mathrm{SO}_4$ at 288 K produces $m$-nitroaniline in higher amount than $o$-nitroaniline ( pH adjusted).

In the light of the above statements, choose the correct answer from the options given below :

A

Both Statement I and Statement II are true

B

Both Statement I and Statement II are false

C

Statement I is true but Statement II is false

D

Statement I is false but Statement II is true

Question 19: Palette 19/224

JEE Mains 2026 MCQ

$ \text {Benzyl isocyanide can be obtained from } $

Choose the correct answer from the options given below :

A

A and B Only

B

A and C Only

C

B and D Only

D

D and E Only

Question 20: Palette 20/224

JEE Mains 2026 MCQ

$ \text {Identify the incorrect statements. } $

Choose the correct answer from the options given below:

A

A and D Only

B

A and C Only

C

B and C Only

D

A and B Only

Question 21: Palette 21/224

JEE Mains 2026 MCQ

Product C of the following reaction sequence will be

A

1-Bromo-4-nitrobenzene

B

1, 3, 5-Tribromo-2-nitrobenzene

C

4-Bromo-1-nitrobenzene

D

1, 3, 5-Tribromobenzene

Question 22: Palette 22/224

JEE Mains 2026 MCQ

Consider the three aromatic molecules (P, Q and R) whose structures have been given below :

The correct order regarding the reactivity of these compounds with $ \mathrm{Ph}-\underset{(+)}{\mathrm{N}} \equiv \mathrm{~N} \mathrm{Cl}^{(-)} $ under optimum but slightly acidic medium is :

A

P > Q > R

B

R > P > Q

C

R > Q > P

D

P > R > Q

Question 23: Palette 23/224

JEE Mains 2025 MCQ

$\mathrm{A} \xrightarrow[\text { (i) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{NaH}} \mathrm{B} \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{SO}_4, \Delta]{\text { (i) } \mathrm{EOH}} \mathrm{C}$

' A ' shows positive Lassaign's test for N and its molar mass is 121 .

' B ' gives effervescence with aq $\mathrm{NaHCO}_3$.

'C' gives fruity smell.

Identify $\mathrm{A}, \mathrm{B}$ and C from the following.

A

B

C

D

Question 24: Palette 24/224

JEE Mains 2025 MCQ

Match List - I with List - II.

List - I (Conversion)	List - II (Reagents, Conditions used)
	(I) Warm H2O
	(II) (a) NaOH, 368K; (b) H3O+
	(III) (a) NaOH, 443K; (b) H3O+
	(IV) (a) NaOH, 623K, 300 atm; (b) H3O+

Choose the correct answer from the options given below :

A

(A)-(II), (B)-(III), (C)-(I), (D)-(IV)

B

(A)-(III), (B)-(IV), (C)-(II), (D)-(I)

C

(A)-(IV), (B)-(III), (C)-(I), (D)-(II)

D

(A)-(IV), (B)-(III), (C)-(II), (D)-(I)

Question 25: Palette 25/224

JEE Mains 2025 MCQ

Which of the following amine (s) show (s) positive carbylamine test?

B. $\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$

C. $\mathrm{CH}_3 \mathrm{NH}_2$

D. $\left(\mathrm{CH}_3\right)_3 \mathrm{~N}$

Choose the correct answer from the options given below:

A

C Only

B

B, C and D Only

C

A and E Only

D

A and C Only

Question 26: Palette 26/224

JEE Mains 2025 MCQ

The major product (A) formed in the following reaction sequence is

A

B

C

D

Question 27: Palette 27/224

JEE Mains 2025 MCQ

The sequence from the following that would result in giving predominantly $3,4,5-$ Tribromoaniline is :

A

B

C

D

Question 28: Palette 28/224

JEE Mains 2025 MCQ

$ \text {Identify }[\mathrm{A}],[\mathrm{B}] \text { and }[\mathrm{C}] \text {, respectively in the following reaction sequence : } $

A

B

C

D

Question 29: Palette 29/224

JEE Mains 2025 MCQ

$ \text { In the following reactions, which one is NOT correct? } $

A

B

C

D

Question 30: Palette 30/224

JEE Mains 2025 MCQ

When a concentrated solution of sulphanilic acid and 1-naphthylamine is treated with nitrous acid $(273 \mathrm{~K})$ and acidified with acetic acid, the mass $(\mathrm{g})$ of 0.1 mole of product formed is :

(Given molar mass in $\mathrm{g} \mathrm{mol}^{-1} \mathrm{H}: 1, \mathrm{C}: 12, \mathrm{~N}: 14, \mathrm{O}: 16, \mathrm{~S}: 32$ )

A

330

B

33

C

343

D

66

Question 31: Palette 31/224

JEE Mains 2025 MCQ

The correct order of basic nature in aqueous solution for the bases

$\mathrm{NH}_3, \mathrm{H}_2 \mathrm{~N}-\mathrm{NH}_2, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2,\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}$ and $\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{~N}$ is :

A

$\mathrm{NH}_3<\mathrm{H}_2 \mathrm{~N}-\mathrm{NH}_2<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{~N}<\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}$

B

$\mathrm{H}_2 \mathrm{~N}-\mathrm{NH}_2<\mathrm{NH}_3<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{~N}<\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}$

C

$\mathrm{NH}_2-\mathrm{NH}_2<\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{~N}<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}$

D

$\mathrm{NH}_3<\mathrm{H}_2 \mathrm{~N}-\mathrm{NH}_2<\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{~N}$

Question 32: Palette 32/224

JEE Mains 2025 MCQ

Which one of the following reaction sequences will give an azo dye?

A

B

C

D

Question 33: Palette 33/224

JEE Mains 2025 MCQ

In the following substitution reaction :

Product 'P' formed is :

A

B

C

D

Question 34: Palette 34/224

JEE Mains 2025 MCQ

The steam volatile compounds among the following are :

$\text { Choose the correct answer from the options given below : }$

A

(B) and (D) Only

B

(A), (B) and (C) Only

C

(A) and (B) Only

D

(A) and (C) Only

Question 35: Palette 35/224

JEE Mains 2025 MCQ

Identify correct statements :

(A) Primary amines do not give diazonium salts when treated with $\mathrm{NaNO}_2$ in acidic condition.

(B) Aliphatic and aromatic primary amines on heating with $\mathrm{CHCl}_3$ and ethanolic KOH form carbylamines.

(C) Secondary and tertiary amines also give carbylamine test.

(D) Benzenesulfonyl chloride is known as Hinsberg's reagent.

(E) Tertiary amines reacts with benzenesulfonyl chloride very easily.

Choose the correct answer from the options given below :

A

(B) and (C) only

B

(D) and (E) only

C

(A) and (B) only

D

(B) and (D) only

Question 36: Palette 36/224

JEE Mains 2025 MCQ

For reaction

The correct order of set of reagents for the above conversion is :

A

$\mathrm{Ac}_2 \mathrm{O}, \mathrm{Br}_2, \mathrm{H}_2 \mathrm{O}(\Delta), \mathrm{NaOH}$

B

$\mathrm{H}_2 \mathrm{SO}_4, \mathrm{Ac}_2 \mathrm{O}, \mathrm{Br}_2, \mathrm{H}_2 \mathrm{O}(\Delta), \mathrm{NaOH}$

C

$\mathrm{Br}_2 \mid \mathrm{FeBr}_3, \mathrm{H}_2 \mathrm{O}(\Delta), \mathrm{NaOH}$

D

$\mathrm{Ac}_2 \mathrm{O}, \mathrm{H}_2 \mathrm{SO}_4, \mathrm{Br}_2, \mathrm{NaOH}$

Question 37: Palette 37/224

JEE Mains 2025 MCQ

Given below are two statements I and II.

Statement I : Dumas method is used for estimation of "Nitrogen" in an organic compound.

Statement II : Dumas method involves the formation of ammonium sulphate by heating the organic compound with conc $\mathrm{H}_2 \mathrm{SO}_4$.

In the light of the above statements, choose the correct answer from the options given below

A

Statement I is true but Statement II is false

B

Statement I is false but Statement II is true

C

Both Statement I and Statement II are true

D

Both Statement I and Statement II are false

Question 38: Palette 38/224

JEE Mains 2025 MCQ

Which among the following react with Hinsberg's reagent?

A.

B.

$\text { C. } \mathrm{CH}_3-\mathrm{NH}_2$

D. $\mathrm{N}\left(\mathrm{CH}_3\right)_3$

E.

Choose the correct answer from the options given below :

A

A, C and E only

B

A, B and E only

C

C and D only

D

B and D only

Question 39: Palette 39/224

JEE Mains 2025 MCQ

Match the Compounds (List - I) with the appropriate Catalyst/ Reagents (List - II) for their reduction into corresponding amines.

	List - I (Compounds)		List - II (Catalyst/Reagents)
(A)		(I)	$ \mathrm{NaOH} \text { (aqueous) } $
(B)		(II)	$ \mathrm{H}_2 / \mathrm{Ni} $
(C)	$ \mathrm{R}-\mathrm{C} \equiv \mathrm{~N} $	(III)	$ \mathrm{LiAlH}_4, \mathrm{H}_2 \mathrm{O} $
(D)		(IV)	$ \mathrm{Sn}, \mathrm{HCl} $

Choose the correct answer from the options given below :

A

(A)-(II), (B)-(IV), (C)-(III), (D)-(I)

B

(A)-(III), (B)-(IV), (C)-(II), (D)-(I)

C

(A)-(III), (B)-(II), (C)-(IV), (D)-(I)

D

(A)-(II), (B)-(I), (C)-(III), (D)-(IV)

Question 40: Palette 40/224

JEE Mains 2025 MCQ

The products formed in the following reaction sequence are :

A

B

C

D

Question 41: Palette 41/224

JEE Mains 2024 MCQ

Major product of the following reaction is

A

B

C

D

Question 42: Palette 42/224

JEE Mains 2024 MCQ

Given below are two statements :

Statement (I) : All the following compounds react with p-toluenesulfonyl chloride.

$\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2 \quad\left(\mathrm{C}_6 \mathrm{H}_5\right)_2 \mathrm{NH} \quad\left(\mathrm{C}_6 \mathrm{H}_5\right)_3 \mathrm{N}$

Statement (II) : Their products in the above reaction are soluble is aqueous $\mathrm{NaOH}$.

In the light of the above statements, choose the correct answer from the options given below :

A

Statement I is false but Statement II is true

B

Both Statement I and Statement II are true

C

Both Statement I and Statement II are false

D

Statement I is true but Statement II is false

Question 43: Palette 43/224

JEE Mains 2024 MCQ

Given below are two statements :

Statement (I) : Kjeldahl method is applicable to estimate nitrogen in pyridine.

Statement (II) : The nitrogen present in pyridine can easily be converted into ammonium sulphate in Kjeldahl method.

In the light of the above statements, choose the correct answer from the options given below :

A

Both Statement I and Statement II are true

B

Both Statement I and Statement II are false

C

Statement I is true but Statement II is false

D

Statement I is false but Statement II is true

Question 44: Palette 44/224

JEE Mains 2024 MCQ

Identify the product A in the following reaction.

A

B

C

D

Question 45: Palette 45/224

JEE Mains 2024 MCQ

Given below are two statements :

Statement I : Piciric acid is 2,4,6 - trinitrotoluene.

Statement II : Phenol - 2,4 - disulphonic acid is treated with Conc. $\mathrm{HNO}_3$ to get picric acid.

In the light of the above statements, choose the most appropriate answer from the options given below :

A

Statement I is incorrect but Statement II is correct

B

Both Statement I and Statement II are incorrect

C

Both Statement I and Statement II are correct

D

Statement I is correct but Statement II is incorrect

Question 46: Palette 46/224

JEE Mains 2024 MCQ

Identify compound (Z) in the following reaction sequence.

A

B

C

D

Question 47: Palette 47/224

JEE Mains 2024 MCQ

Which of the following nitrogen containing compound does not give Lassaigne's test ?

A

Glycene

B

Phenyl hydrazine

C

Urea

D

Hydrazine

Question 48: Palette 48/224

JEE Mains 2024 MCQ

Given below are two statements :

Statement (I) : The $\mathrm{NH}_2$ group in Aniline is ortho and para directing and a powerful activating group.

Statement (II) : Aniline does not undergo Friedel-Craft's reaction (alkylation and acylation).

In the light of the above statements, choose the most appropriate answer from the options given below :

A

Both Statement I and Statement II are correct

B

Both Statement I and Statement II are incorrect

C

Statement I is correct but Statement II is incorrect

D

Statement I is incorrect but Statement II is correct

Question 49: Palette 49/224

JEE Mains 2024 MCQ

Given below are two statements :

Statement (I) : Aminobenzene and aniline are same organic compounds.

Statement (II) : Aminobenzene and aniline are different organic compounds.

In the light of the above statements, choose the most appropriate answer from the options given below :

A

Both Statement I and Statement II are correct

B

Statement I is incorrect but Statement II is correct

C

Statement I is correct but Statement II is incorrect

D

Both Statement I and Statement II are incorrect

Question 50: Palette 50/224

JEE Mains 2024 MCQ

The azo-dye $(Y)$ formed in the following reactions is

Sulphanilic acid $+\mathrm{NaNO}_2+\mathrm{CH}_3 \mathrm{COOH} \rightarrow \mathrm{X}$.

A

B

C

D

Question 51: Palette 51/224

JEE Mains 2024 MCQ

Given below are two statements :

Statement I : Aniline reacts with con. $\mathrm{H}_2 \mathrm{SO}_4$, followed by heating at $453-473 \mathrm{~K}$ gives $\mathrm{p}$-aminobenzene sulphonic acid, which gives blood red colour in the 'Lassaigne's test'.

Statement II : In Friedel - Craft's alkylation and acylation reactions, aniline forms salt with the $\mathrm{AlCl}_3$ catalyst. Due to this, nitrogen of aniline aquires a positive charge and acts as deactivating group.

In the light of the above statements, choose the correct answer from the options given below :

A

Both statement I and statement II are true

B

Statement I is true but statement II is false

C

Statement I is false but statement II is true

D

Both statement I and statement II are false

Question 52: Palette 52/224

JEE Mains 2024 MCQ

The products A and B formed in the following reaction scheme are respectively

A

B

C

D

Question 53: Palette 53/224

JEE Mains 2024 MCQ

Following is a confirmatory test for aromatic primary amines. Identify reagent (A) and (B).

A

B

C

D

Question 54: Palette 54/224

JEE Mains 2024 MCQ

Which of the following reaction is correct?

A

$\mathrm{C}_2 \mathrm{H}_5 \mathrm{CONH}_2+\mathrm{Br}_2+\mathrm{NaOH} \rightarrow \mathrm{C}_2 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{NH}_2+\mathrm{Na}_2 \mathrm{CO}_3+\mathrm{NaBr}+\mathrm{H}_2 \mathrm{O}$

B

C

D

$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2 \xrightarrow[\mathrm{H}_2 \mathrm{O}]{\mathrm{HNO}_2, 0^{\circ} \mathrm{C}} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}+\mathrm{N}_2+\mathrm{HCl}$

Question 55: Palette 55/224

JEE Mains 2024 MCQ

The product A formed in the following reaction is

A

B

C

D

Question 56: Palette 56/224

JEE Mains 2024 MCQ

the arenium ion which is not involved in the bromination of Aniline is __________.

A

B

C

D

Question 57: Palette 57/224

JEE Mains 2023 MCQ

Consider the following sequence of reactions:


The product ' $\mathrm{B}$ ' is

A

B

C

D

Question 58: Palette 58/224

JEE Mains 2023 MCQ

Decreasing order of reactivity towards electrophilic substitution for the following compounds is :

A

$ \mathrm{a}>\mathrm{d}>\mathrm{e}>\mathrm{b}>\mathrm{c}$

B

$\mathrm{d}>\mathrm{a}>\mathrm{e}>\mathrm{c}>$ b

C

$\mathrm{c}>\mathrm{b}>\mathrm{a}>\mathrm{d}>\mathrm{e}$

D

$\mathrm{e}>\mathrm{d}>\mathrm{a}>\mathrm{b}>\mathrm{c}$

Question 59: Palette 59/224

JEE Mains 2023 MCQ

Compound $\mathrm{A}$ from the following reaction sequence is:

A

Benzoic acid

B

Phenol

C

Salicylic acid

D

Aniline

Question 60: Palette 60/224

JEE Mains 2023 MCQ

Match List I with List II

1 - Bromopropane is reacted with reagents in List I to give product in List II

	LIST I - Reagent		LIST II - Product
A.	$\mathrm{KOH}$ (alc)	I.	Nitrile
B.	$\mathrm{KCN}$ (alc)	II.	Ester
C.	$\mathrm{AgNO_2}$	III.	Alkene
D.	$\mathrm{H_3CCOOAg}$	IV.	Nitroalkane

Choose the correct answer from the options given below:

A

A-I, B-II, C-III, D-IV

B

A-IV, B-III, C-II, D-I

C

A-III, B-I, C-IV, D-II

D

A-I, B-III, C-IV, D-II

Question 61: Palette 61/224

JEE Mains 2023 MCQ

In the reaction given below

'B' is

A

B

C

D

Question 62: Palette 62/224

JEE Mains 2023 MCQ

The incorrect statement regarding the reaction given below is

A

'$\mathrm{B}$' is N-nitroso ammonium compound

B

The product '$\mathrm{B}$' formed in the above reaction is $\mathrm{p}$-nitroso compound at low temperature

C

The electrophile involved in the reaction is $\mathrm{NO}^{+}$

D

The reaction occurs at low temperature

Question 63: Palette 63/224

JEE Mains 2023 MCQ

'X' is

A

B

C

D

Question 64: Palette 64/224

JEE Mains 2023 MCQ

The major product 'P' formed in the given reaction is:

A

B

C

D

Question 65: Palette 65/224

JEE Mains 2023 MCQ

In the reaction given below:

The product 'X' is:

A

B

C

D

Question 66: Palette 66/224

JEE Mains 2023 MCQ

Isomeric amines with molecular formula C$_8$H$_{11}$N give the following tests

Isomer (P) $\Rightarrow$ Can be prepared by Gabriel phthalimide synthesis

Isomer (Q) $\Rightarrow$ Reacts with Hinsberg's reagent to give solid insoluble in NaOH

Isomer (R) $\Rightarrow$ Reacts with HONO followed by $\beta$-naphthol in NaOH to give red dye.

Isomers (P), (Q) and (R) respectively are

A

B

C

D

Question 67: Palette 67/224

JEE Mains 2023 MCQ

The product ($\mathrm{P}$) formed from the following multistep reaction is:

A

B

C

D

Question 68: Palette 68/224

JEE Mains 2023 MCQ

Match List I with List II:

	LIST I (Reagent)		LIST II (Product)
A.		I.
B.	$\mathrm{HBF_4,\Delta}$	II.
C.	$\mathrm{Cu,HCl}$	III.
D.	$\mathrm{CuCN/KCN}$	IV.

Choose the correct answer from the options given below:

A

A-III, B-I, C-IV, D-II

B

A-III, B-I, C-II, D-IV

C

A-IV, B-III, C-II, D-I

D

A-I, B-III, C-IV, D-II

Question 69: Palette 69/224

JEE Mains 2023 MCQ

The major products A and B from the following reactions are:

A

B

C

D

Question 70: Palette 70/224

JEE Mains 2023 MCQ

The major product formed in the following reaction is

A

B

C

D

Question 71: Palette 71/224

JEE Mains 2023 MCQ

Compound $\mathrm{P}$ is neutral, $\mathrm{Q}$ gives effervescence with $\mathrm{NaHCO}_{3}$ while $\mathrm{R}$ reacts with Hinsbergs reagent to give solid soluble in $\mathrm{NaOH}$. Compound $\mathrm{P}$ is

A

B

C

D

Question 72: Palette 72/224

JEE Mains 2023 MCQ

In the following reaction, 'A' is

A

B

C

D

Question 73: Palette 73/224

JEE Mains 2023 MCQ

An organic compound $[\mathrm{A}]\left(\mathrm{C}_{4} \mathrm{H}_{11} \mathrm{~N}\right)$, shows optical activity and gives $\mathrm{N}_{2}$ gas on treatment with $\mathrm{HNO}_{2}$. The compound $[\mathrm{A}]$ reacts with $\mathrm{PhSO}_{2} \mathrm{Cl}$ producing a compound which is soluble in $\mathrm{KOH}$. The structure of $\mathrm{A}$ is :

A

B

C

D

Question 74: Palette 74/224

JEE Mains 2023 MCQ

Consider the above reaction and identify the product B.

A

B

C

D

Question 75: Palette 75/224

JEE Mains 2023 MCQ

The most stable carbocation for the following is:

A

b

B

d

C

c

D

a

Question 76: Palette 76/224

JEE Mains 2023 MCQ

In the above conversion of compound $(\mathrm{X})$ to product $(\mathrm{Y})$, the sequence of reagents to be used will be:

A

$\begin{array}{lll}\text { (i) } \mathrm{Br}_2, \mathrm{Fe} & \text { (ii) } \mathrm{Fe}, \mathrm{H}^{+} & \text {(iii) } \mathrm{LiAIH}_4\end{array}$

B

$\begin{array}{lll}\text { (i) } \mathrm{Br}_2(\mathrm{aq}) & \text { (ii) } \mathrm{LiAIH}_4 & \text { (iii) } \mathrm{H}_3 \mathrm{O}^{+}\end{array}$

C

(i) $\mathrm{Fe}, \mathrm{H}^{+}$   (ii) $\mathrm{Br}_2$ (aq)   (iii) $\mathrm{HNO}_2$   (iv) $\mathrm{H}_3 \mathrm{PO}_2$

D

(i) $\mathrm{Fe}, \mathrm{H}^{+}$   (ii) $\mathrm{Br}_2(\mathrm{aq})$   (iii) $\mathrm{HNO}_2$   (iv) $\mathrm{CuBr}$

Question 77: Palette 77/224

JEE Mains 2023 MCQ

Benzyl isocyanide can be obtained by :

A.

B.

C.

D.

Choose the correct answer from the options given below :

A

B and C

B

A and D

C

A and B

D

Only B

Question 78: Palette 78/224

JEE Mains 2023 MCQ

Reaction of propanamide with $\mathrm{Br_2/KOH(aq)}$ produces :

A

Propanenitrile

B

Propylamine

C

Ethylnitrile

D

Ethylamine

Question 79: Palette 79/224

JEE Mains 2023 MCQ

The major product 'P' for the following sequence of reactions is :

A

B

C

D

Question 80: Palette 80/224

JEE Mains 2023 MCQ

Match List I with List II

	List I		List II
	Reaction		Reagents
(A)	Hoffmann Degradation	(I)	$\mathrm{Conc. KOH}$, $\Delta$
(B)	Clemenson reduction	(II)	$\mathrm{CHCl_3,NaOH/H_3O}$$^ \oplus $
(C)	Cannizaro reaction	(III)	$\mathrm{Br_2,NaOH}$
(D)	Reimer-Tiemann Reaction	(IV)	$\mathrm{Zn-Hg/HCl}$

Choose the correct answer from the options given below :

A

(A) - III, (B) - IV, (C) - I, (D) - II

B

(A) - II, (B) - IV, (C) - I, (D) - III

C

(A) - III, (B) - IV, (C) - II, (D) - I

D

(A) - II, (B) - I, (C) - III, (D) - IV

Question 81: Palette 81/224

JEE Mains 2023 MCQ

Match List I with List II

	List I (Amines)		List II ($\mathrm{pK_b}$)
A.	Aniline	I.	3.25
B.	Ethanamine	II.	3.00
C.	N-Ethylethanamine	III.	9.38
D.	N, N-Diethylethanamine	IV.	3.29

Choose the correct answer from the options given below :

A

A-III, B-II, C-I, D-IV

B

A-III, B-II, C-IV, D-I

C

A-III, B-IV, C-II, D-I

D

A-I, B-IV, C-II, D-III

Question 82: Palette 82/224

JEE Mains 2023 MCQ

Match List I with List II

	List I Isomeric pairs		List II Type of isomers
A.	Propanamine and N-Methylethanamine	I.	Metamers
B.	Hexan-2-one and Hexan-3-one	II.	Positional isomers
C.	Ethanamide and Hydroxyethanimine	III.	Functional isomers
D.	o-nitrophenol and p-nitrophenol	IV.	Tautomers

Choose the correct answer from the options given below :

A

A-III, B-I, C-IV, D-II

B

A-III, B-IV, C-I, D-II

C

A-II, B-III, C-I, D-IV

D

A-IV, B-III, C-I, D-II

Question 83: Palette 83/224

JEE Mains 2023 MCQ

Given below are two statements :

In the light of the above statements, choose the correct answer from the options given below:

A

Both Statement I and Statement II are true

B

Statement I is false but Statement II is true

C

Statement I is true but Statement II is false

D

Both Statement I and Statement II are false

Question 84: Palette 84/224

JEE Mains 2023 MCQ

Choose the correct colour of the product for the following reaction.

A

White

B

Yellow

C

Red

D

Blue

Question 85: Palette 85/224

JEE Mains 2023 MCQ

Given below are two statements:

Statement I : Pure Aniline and other arylamines are usually colourless.

Statement II : Arylamines get coloured on storage due to atmospheric reduction.

In the light of the above statements, choose the most appropriate answer from the options given below :

A

Both Statement I and Statement II are correct

B

Statement I is correct but Statement II is incorrect

C

Both Statement I and Statement II are incorrect

D

Statement I is incorrect but Statement I is correct

Question 86: Palette 86/224

JEE Mains 2023 MCQ

Increasing order of stability of the resonance structures is :

Choose the correct answer from the options given below :

A

D, C, B, A

B

C, D, B, A

C

C, A, B, D

D

D, C, A, B

Question 87: Palette 87/224

JEE Mains 2022 MCQ

The Hinsberg reagent is

A

B

C

D

Question 88: Palette 88/224

JEE Mains 2022 MCQ

Which among the following is the strongest Bronsted base?

A

B

C

D

Question 89: Palette 89/224

JEE Mains 2022 MCQ

Consider the above reaction, the compound 'A' is :

A

B

C

D

Question 90: Palette 90/224

JEE Mains 2022 MCQ

Which among the following represent reagent 'A'?

A

B

C

D

Question 91: Palette 91/224

JEE Mains 2022 MCQ

Consider the following reaction sequence:

The product 'B' is :

A

B

C

D

Question 92: Palette 92/224

JEE Mains 2022 MCQ

Given below are two statements: one is labelled as Assertion $\mathbf{A}$ and the other is labelled as Reason $\mathbf{R}$

Assertion A : Aniline on nitration yields ortho, meta & para nitro derivatives of aniline.

Reason $\mathrm{R}$ : Nitrating mixture is a strong acidic mixture.

In the light of the above statements, choose the correct answer from the options given below

A

Both A and R are true and R is the correct explanation of A

B

Both $\mathrm{A}$ and $\mathrm{R}$ are true but $\mathrm{R}$ is NOT the correct explanation of $\mathrm{A}$

C

A is true but R is false

D

A is false but R is true

Question 93: Palette 93/224

JEE Mains 2022 MCQ

Identify the correct statement for the below given transformation.

A

$\mathrm{A}-\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}, \mathrm{~B}-\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CH}_{2}$, Saytzeff products

B

$\mathrm{A}-\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}$, B $-\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CH}_{2}$, Hofmann products

C

$\mathrm{A}-\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CH}_{2}, \mathrm{~B}-\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CHCH}_{3}$, Hofmann products

D

$\mathrm{A}-\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CH}_{2}, \mathrm{~B}-\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CHCH}_{3}$, Saytzeff products

Question 94: Palette 94/224

JEE Mains 2022 MCQ

An organic compound $'\mathrm{A}'$ contains nitrogen and chlorine. It dissolves readily in water to give a solution that turns litmus red. Titration of compound $'\mathrm{A}'$ with standard base indicates that the molecular weight of $'\mathrm{A}'$ is $131 \pm 2$. When a sample of $'\mathrm{A}'$ is treated with aq. $\mathrm{NaOH}$, a liquid separates which contains $\mathrm{N}$ but not $\mathrm{Cl}$. Treatment of the obtained liquid with nitrous acid followed by phenol gives orange precipitate. The compound $'\mathrm{A}'$ is :

A

B

C

D

Question 95: Palette 95/224

JEE Mains 2022 MCQ

Match List I with List II.

	List I		List II
(A)	Benzenesulphonyl chloride	(I)	Test for primary amines
(B)	Hoffmann bromamide reaction	(II)	Anti Saytzeff
(C)	Carbylamine reaction	(III)	Hinsberg reagent
(D)	Hoffmann orientation	(IV)	Known reaction of Isocyanates.

Choose the correct answer from the options given below:

A

A-IV, B-III, C-II, D-I

B

A-IV, B-II, C-I, D-III

C

A-III, B-IV, C-I, D-II

D

A-IV, B-III, C-I, D-II

Question 96: Palette 96/224

JEE Mains 2022 MCQ

The correct sequential order of the reagents for the given reaction is

A

$\mathrm{HNO}_{2}, \mathrm{Fe} / \mathrm{H}^{+}, \mathrm{HNO}_{2}, \mathrm{KI}, \mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}$

B

$\mathrm{HNO}_{2}, \mathrm{KI}, \mathrm{Fe} / \mathrm{H}^{+}, \mathrm{HNO}_{2}, \mathrm{H}_{2} \mathrm{O} /$ warm

C

$\mathrm{HNO}_{2}, \mathrm{KI}, \mathrm{HNO}_{2}, \mathrm{Fe} / \mathrm{H}^{+}, \mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}$

D

$\mathrm{HNO}_{2}, \mathrm{Fe} / \mathrm{H}^{+}, \mathrm{KI}, \mathrm{HNO}_{2}, \mathrm{H}_{2} \mathrm{O} /$ warm

Question 97: Palette 97/224

JEE Mains 2022 MCQ

The correct stability order of the following diazonium salt is

A

$(\mathrm{A})>(\mathrm{B})>(\mathrm{C})>(\mathrm{D})$

B

$(\mathrm{A})>(\mathrm{C})>(\mathrm{D})>(\mathrm{B})$

C

$(\mathrm{C})>(\mathrm{A})>(\mathrm{D})>(\mathrm{B})$

D

$(\mathrm{C})>(\mathrm{D})>(\mathrm{B})>(\mathrm{A})$

Question 98: Palette 98/224

JEE Mains 2022 MCQ

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Experimental reaction of $\mathrm{CH}_{3} \mathrm{Cl}$ with aniline and anhydrous $\mathrm{AlCl}_{3}$ does not give $o$ and $p$-methylaniline.

Reason (R): The $-\mathrm{NH}_{2}$ group of aniline becomes deactivating because of salt formation with anhydrous $\mathrm{AlCl}_{3}$ and hence yields $m$-methyl aniline as the product.

In the light of the above statements, choose the most appropriate answer from the options given below :

A

Both A and R are true and (R) is the correct explanation of (A).

B

Both A and R are true but (R) is not the correct explanation of (A).

C

(A) is true, but (R) is false.

D

(A) is false, but (R) is true.

Question 99: Palette 99/224

JEE Mains 2022 MCQ

An organic compound 'A' on reaction with NH₃ followed by heating gives compound B. Which on further strong heating gives compound C (C₈H₅NO₂). Compound C on sequential reaction with ethanolic KOH, alkyl chloride and hydrolysis with alkali gives a primary amine. The compound A is :

A

B

C

D

Question 100: Palette 100/224

JEE Mains 2022 MCQ

In Friedel-Crafts alkylation of aniline, one gets

A

alkylated product with ortho and para substitution.

B

secondary amine after acidic treatment.

C

an amide product.

D

positively charged nitrogen at benzene ring.

Question 101: Palette 101/224

JEE Mains 2022 MCQ

Consider the above reactions, the product A and product B respectively are

A

B

C

D

Question 102: Palette 102/224

JEE Mains 2022 MCQ

With respect to the following reaction, consider the given statements :

(A) o-Nitroaniline and p-nitroaniline are the predominant products.

(B) p-Nitroaniline and m-nitroaniline are the predominant products.

(C) HNO₃ acts as an acid.

(D) H₂SO₄ acts as an acid.

Choose the correct option.

A

(A) and (C) are correct statements.

B

(A) and (D) are correct statements.

C

(B) and (D) are correct statements.

D

(B) and (C) are correct statements.

Question 103: Palette 103/224

JEE Mains 2022 MCQ

Identify the major product formed in the following sequence of reactions:

A

B

C

D

Question 104: Palette 104/224

JEE Mains 2022 MCQ

A primary aliphatic amine on reaction with nitrous acid in cold (273 K) and there after raising temperature of reaction mixture to room temperature (298 K), gives a/an

A

nitrile

B

alcohol

C

diazonium salt

D

secondary amine

Question 105: Palette 105/224

JEE Mains 2022 MCQ

Decarboxylation of all six possible forms of diaminobenzoic acids C₆H₃(NH₂)₂COOH yields three products A, B and C. Three acids give a product 'A', two acids gives a product 'B' and one acid give a product 'C'. The melting point of product 'C' is

A

63$^\circ$C

B

90$^\circ$C

C

104$^\circ$C

D

142$^\circ$C

Question 106: Palette 106/224

JEE Mains 2022 MCQ

Given below are two statements :

Statement I : In Hofmann degradation reaction, the migration of only an alkyl group takes place from carbonyl carbon of the amide to the nitrogen atom.

Statement II : The group is migrated in Hofmann degradation reaction to electron deficient atom.

In the light of the above statements, choose the most appropriate answer from the options given below :

A

Both Statement I and Statement II are correct.

B

Both Statement I and Statement II are incorrect.

C

Statement I is correct but Statement II is incorrect.

D

Statement I is incorrect but Statement II is correct.

Question 107: Palette 107/224

JEE Mains 2022 MCQ

Which statement is NOT correct for p-toluenesulphonyl chloride?

A

It is known as Hinsberg's reagent.

B

It is used to distinguish primary and secondary amines.

C

On treatment with secondary amine, it leads to a product, that is soluble in alkali.

D

It doesn't react with tertiary amines.

Question 108: Palette 108/224

JEE Mains 2022 MCQ

The final product 'C' in the following series of reactions

A

B

C

D

Question 109: Palette 109/224

JEE Mains 2022 MCQ

Among the following structures, which will show the most stable enamine formation? (Where Me is $-$CH₃)

A

B

C

D

Question 110: Palette 110/224

JEE Mains 2022 MCQ

Amongst the following, the major product of the given chemical reaction is

A

B

C

D

Question 111: Palette 111/224

JEE Mains 2022 MCQ

Which of the following ketone will NOT give enamine on treatment with secondary amines? [where t-Bu is $-$C(CH₃)₃]

A

B

C

D

Question 112: Palette 112/224

JEE Mains 2022 MCQ

The reaction of with bromine and KOH gives RNH₂ as the end product. Which one of the following is the intermediate product formed in this reation?

A

B

R $-$ NH $-$ Br

C

R $-$ N = C = O

D

Question 113: Palette 113/224

JEE Mains 2022 MCQ

The conversion of propan-1-ol to n-butylamine involves the sequential addition of reagents. The correct sequential order of reagents is

A

(i) SOCl₂ (ii) KCN (iii) H₂/Ni, Na(Hg)/C₂H₅OH

B

(i) HCl (ii) H₂/Ni, Na(Hg)/C₂H₅OH

C

(i) SOCl₂ (ii) KCN (iii) CH₃NH₂

D

(i) HCl (ii) CH₃NH₂

Question 114: Palette 114/224

JEE Mains 2022 MCQ

The major product of the above reactions is :

A

B

C

D

Question 115: Palette 115/224

JEE Mains 2021 MCQ

Identify A in the following reaction.

A

B

C

D

Question 116: Palette 116/224

JEE Mains 2021 MCQ

Which one of the following gives the most stable Diazonium salt?

A

CH₃$-$CH₂$-$CH₂$-$NH₂

B

C

D

Question 117: Palette 117/224

JEE Mains 2021 MCQ

The major products A and B formed in the following reaction sequence are :

A

B

C

D

Question 118: Palette 118/224

JEE Mains 2021 MCQ

Identify correct A, B and C in the reaction sequence given below :

A

B

C

D

Question 119: Palette 119/224

JEE Mains 2021 MCQ

The major products A and B in the following set of reactions are :

A

B

C

D

Question 120: Palette 120/224

JEE Mains 2021 MCQ

Which one of the following is the major product of the given reaction?

A

B

C

D

Question 121: Palette 121/224

JEE Mains 2021 MCQ

The correct structures of A and B formed in the following reactions are :

A

B

C

D

Question 122: Palette 122/224

JEE Mains 2021 MCQ

The major product of the following reaction is :

A

B

C

D

Question 123: Palette 123/224

JEE Mains 2021 MCQ

Which of the following is not a correct statement for primary aliphatic amines?

A

The intermolecular association in primary amines is less than the intermolecular association in secondary amines.

B

Primary amines on treating with nitrous acid solution from corresponding alcohols except mythyl amine.

C

Primary amines are less basic than the secondary amines.

D

Primary amines can be prepared by the Gabriel phthalimide synthesis.

Question 124: Palette 124/224

JEE Mains 2021 MCQ

Match List - I with List - II :


Choose the most appropriate match :

A

a-ii, b-iv, c-iii, d-i

B

a-iv, b-ii, c-iii, d-i

C

a-ii, b-iii, c-iv, d-i

D

a-iii, b-ii, c-i, d-iv

Question 125: Palette 125/224

JEE Mains 2021 MCQ

The major product in the above reaction is :

A

B

C

D

Question 126: Palette 126/224

JEE Mains 2021 MCQ

Consider the given reaction, identify 'X' and 'Y' :

A

B

C

D

Question 127: Palette 127/224

JEE Mains 2021 MCQ

The major product formed in the following reaction is :

A

B

C

D

Question 128: Palette 128/224

JEE Mains 2021 MCQ

$R - CN\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{(ii){H_2}O}^{(i)DIBAL - H}} R - Y$

Consider the above reaction and identify "Y"

A

$-$CH₂NH₂

B

$-$CONH₂

C

$-$CHO

D

$-$COOH

Question 129: Palette 129/224

JEE Mains 2021 MCQ

What is A in the following reaction?

A

B

C

D

Question 130: Palette 130/224

JEE Mains 2021 MCQ

Given below are two statements :

Statement I : Aniline is less basic than acetamide.

Statement II : In aniline, the lone pair of electrons on nitrogen atom is delocalized over benzene ring due to resonance and hence less available to a proton.

Choose the most appropriate option;

A

Statement I is true but statement II is false.

B

Statement I is false but statement II is true.

C

Both statement I and statement II are true.

D

Both statement I and statement II are false.

Question 131: Palette 131/224

JEE Mains 2021 MCQ

Consider the above reaction, the product "P" is :

A

B

C

D

Question 132: Palette 132/224

JEE Mains 2021 MCQ

A reaction of benzonitrile with one equivalent CH₃MgBr followed by hydrolysis produces a yellow liquid "P". The compound "P" will give positive _________.

A

Iodoform test

B

Schiff's test

C

Ninhydrin's test

D

Tollen's test

Question 133: Palette 133/224

JEE Mains 2021 MCQ

What is the major product "P" of the following reaction?

A

B

C

D

Question 134: Palette 134/224

JEE Mains 2021 MCQ

Given below are two statements, one is labelled as Assertion (A) and other is labelled as Reason (R).

Assertion (A) : Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines.

Reason (R) : Aryl halides do not undergo nucleophilic substitution reaction.

In the light of the above statements, choose the correct answer from the options given below :

A

Both (A) and (R) true but (R) is not the correct explanation of (A)

B

(A) is false but (R) is true.

C

Both (A) and (R) true and (R) is correct explanation of (A).

D

(A) is true but (R) is false.

Question 135: Palette 135/224

JEE Mains 2021 MCQ

Which one of the products of the following reactions does not react with Hinsberg reagent to form sulphonamide?

A

B

C

D

Question 136: Palette 136/224

JEE Mains 2021 MCQ

In the chemical reactions given above A and B respectively are :

A

H₃PO₂ and CH₃CH₂Cl

B

CH₃CH₂OH and H₃PO₂

C

H₃PO₂ and CH₃CH₂OH

D

CH₃CH₂Cl and H₃PO₂

Question 137: Palette 137/224

JEE Mains 2021 MCQ

Which one of the following reactions does not occur?

A

B

C

D

Question 138: Palette 138/224

JEE Mains 2021 MCQ

In the above reactions, product A and product B respectively are :

A

B

C

D

Question 139: Palette 139/224

JEE Mains 2021 MCQ

Consider the above reaction, compound B is :

A

B

C

D

Question 140: Palette 140/224

JEE Mains 2021 MCQ

The correct structure of Rhumann's Purple, the compound formed in the reaction of ninhydrin with proteins is :

A

B

C

D

Question 141: Palette 141/224

JEE Mains 2021 MCQ

Compound A is converted to B on reaction with CHCl₃ and KOH. The compound B is toxic and can be decomposed by C. A, B and C respectively are :

A

primary amine, nitrile compound, conc. HCl

B

secondary amine, isonitrile compound, conc. NaOH

C

primary amine, isonitrile compound, conc. HCl

D

secondary amine, nitrile compound, conc. NaOH

Question 142: Palette 142/224

JEE Mains 2021 MCQ

Consider the given reaction, percentage yield of :

A

B > C > A

B

A > C > B

C

C > A > B

D

C > B > A

Question 143: Palette 143/224

JEE Mains 2021 MCQ

In the reaction of hypobromite with amide, the carbonyl carbon is lost as :

A

CO₂

B

CO

C

HCO$_3^ - $

D

CO$_3^{2 - }$

Question 144: Palette 144/224

JEE Mains 2021 MCQ

An organic compound "A" on treatment with benzene sulphonyl chloride gives compound B. B is soluble in dil. NaOH solution. Compound A is :

A

B

C₆H₅ $-$ NHCH₂CH₃

C

C₆H₅ $-$ N $-$ (CH₃)₂

D

C₆H₅ $-$ CH₂NHCH₃

Question 145: Palette 145/224

JEE Mains 2021 MCQ

Considering the above reaction, X and Y respectively are :

A

B

C

D

Question 146: Palette 146/224

JEE Mains 2021 MCQ

In the above reaction, the structural formula of (A), ''X'' and ''Y'' respectively are :

A

B

C

D

Question 147: Palette 147/224

JEE Mains 2021 MCQ

Primary, secondary and tertiary amines can be separated using:

A

Chloroform and KOH

B

Acetyl amide

C

Benzene sulphonic acid

D

para-Toluene sulphonyl chloride

Question 148: Palette 148/224

JEE Mains 2021 MCQ

Hoffmann bromomide degradation of benzamide gives product A, which upon heating with CHCl₃ and NaOH gives product B.

The structures of A and B are :

A

B

C

D

Question 149: Palette 149/224

JEE Mains 2021 MCQ

Which of the following is least basic?

A

${(C{H_3}CO)_2}\mathop N\limits^{..} H$

B

$(C{H_3}CO)\mathop N\limits^{..} H{C_2}{H_5}$

C

${({C_2}{H_5})_3}\mathop N\limits^{..} $

D

${({C_2}{H_5})_2}\mathop N\limits^{..} H$

Question 150: Palette 150/224

JEE Mains 2021 MCQ

Ammonolysis of Alkyl halides followed by the treatment with NaOH solution can be used to prepare primary, secondary and tertiary amines. The purpose of NaOH in the reaction is :

A

to remove acidic impurities

B

to remove basic impurities

C

to activate NH₃ used in the reaction

D

to increase the reactivity of alkyl halide

Question 151: Palette 151/224

JEE Mains 2021 MCQ

In the above chemical reaction, intermediate ''X'' and reagent/condition ''A'' are :

A

B

C

D

Question 152: Palette 152/224

JEE Mains 2021 MCQ

Which of the following reactions DOES NOT involve Hoffmann bromamide degradation?

A

B

C

D

Question 153: Palette 153/224

JEE Mains 2021 MCQ

A. Phenyl methanamine

B. N,N-Dimethylaniline

C. N-Methyl aniline

D. Benzenamine

Choose the correct order of basic nature of the above amines.

A

D > C > B > A

B

A > C > B > D

C

D > B > C > A

D

A > B > C > D

Question 154: Palette 154/224

JEE Mains 2021 MCQ

An amine on reaction with benzensulphonyl chloride produces a compound insoluble in alkaline solution. This amine can be prepared by ammonolysis of ethyl chloride. The correct structure of amine is :

A

CH₃CH₂NH₂

B

CH₃CH₂CH₂NHCH₃

C

CH₃CH₂CH₂$\mathop N\limits^H $-CH₂CH₃

D

Question 155: Palette 155/224

JEE Mains 2021 MCQ

Correct statement about the given chemical reaction is :

A

B

Reaction is possible and compound (B) will be the major product.

C

Reaction is possible and compound (A) will be major product.

D

The reaction will form sulphonated product instead of nitration.

Question 156: Palette 156/224

JEE Mains 2021 MCQ

Carbylamine test is used to detect the presence of primary amino group in an organic compound. Which of the following compound is formed when this test is performed with aniline?

A

B

C

D

Question 157: Palette 157/224

JEE Mains 2021 MCQ

Which of the following reaction/s will not give p-aminoazobenzene?

A

C only

B

A only

C

A and B

D

B only

Question 158: Palette 158/224

JEE Mains 2021 MCQ

What is the correct sequence of reagents used for converting nitrobenzene into m-dibromobenzene?

A

$\stackrel{\mathrm{NaNO}_{2}}{\longrightarrow} / \stackrel{\mathrm{HCl}}{\longrightarrow} / \stackrel{\mathrm{KBr}}{\longrightarrow} / \stackrel{\mathrm{H}^{+}}{\longrightarrow}$

B

$\stackrel{\mathrm{Sn} / \mathrm{HCl}}{\longrightarrow} / \stackrel{\mathrm{KBr}}{\longrightarrow} / \stackrel{\mathrm{Br}_{2}}{\longrightarrow} / \stackrel{\mathrm{H}^{+}}{\longrightarrow}$

C

$\stackrel{\mathrm{B} \mathrm{B}_{2} / \mathrm{Fe}}{\longrightarrow} / \stackrel{\mathrm{Sn} / \mathrm{HCl}}{\longrightarrow} / \stackrel{\mathrm{NaNO}_{2} / \mathrm{HCl}}{\longrightarrow} / \stackrel{\mathrm{CuBr} / \mathrm{HBr}}{\longrightarrow}$

D

$\stackrel{\mathrm{Sn} / \mathrm{HCl}}{\longrightarrow} / \stackrel{\mathrm{Br}_{2}}{\longrightarrow} / \stackrel{\mathrm{NaNO}_{2}}{\longrightarrow} / \stackrel{\mathrm{NaBr}}{\longrightarrow}$

Question 159: Palette 159/224

JEE Mains 2021 MCQ

The diazonium salt of which of the following compounds will form a coloured dye on reaction with $\beta$-Naphthol in NaOH?

A

B

C

D

Question 160: Palette 160/224

JEE Mains 2021 MCQ

In the following reaction the reason why meta-nitro product also formed is :

A

–NH₂ group is highly meta-directive

B

–NO₂ substitution always takes place at meta-position

C

Formation of anilinium ion

D

low temperature

Question 161: Palette 161/224

JEE Mains 2021 MCQ

'A' and 'B' in the following reactions are :

A

B

C

D

Question 162: Palette 162/224

JEE Mains 2020 MCQ

Which of the following compounds can be prepared in good yield by Gabriel phthalimide synthesis?

A

B

C

D

CH₃—CH₂—NHCH₃

Question 163: Palette 163/224

JEE Mains 2020 MCQ

The increasing order of pK_b values of the following compounds is :

A

I < II < IV < III

B

I < II < III < IV

C

II < I < III < IV

D

II < IV < III < I

Question 164: Palette 164/224

JEE Mains 2020 MCQ

The final major product of the following reaction is :

A

B

C

D

Question 165: Palette 165/224

JEE Mains 2020 MCQ

The most appropriate reagent for conversion of C₂H₅CN into CH₃CH₂CH₂NH₂ is

A

NaBH₄

B

CaH₂

C

Na(CN)BH₃

D

LiAlH₄

Question 166: Palette 166/224

JEE Mains 2020 MCQ

The increasing order of basicity of the following compounds is :

A

(A) < (B) < (C) < (D)

B

(B) < (A) < (C) < (D)

C

(D) < (A) < (B) < (C)

D

(B) < (A) < (D) < (C)

Question 167: Palette 167/224

JEE Mains 2020 MCQ

In the following reaction sequence, [C] is :

A

B

C

D

Question 168: Palette 168/224

JEE Mains 2020 MCQ

Three isomers A, B and C (mol. formula C₈H₁₁N) give the following results :
R has lower boiling point than S

A, B and C, respectively are :

A

B

C

D

Question 169: Palette 169/224

JEE Mains 2020 MCQ

The Kjeldahl method of Nitrogen estimation fails for which of the following reaction products?

A

(a), (c) and (d)

B

(b) and (c)

C

(c) and (d)

D

(a) and (d)

Question 170: Palette 170/224

JEE Mains 2020 MCQ

Consider the following reactions,


The compound [P] is :

A

B

C

D

Question 171: Palette 171/224

JEE Mains 2020 MCQ

The decreasing order of basicity of the following amines is :

A

(III) > (II) > (I) > (IV)

B

(I) > (III) > (IV) > (II)

C

(III) > (I) > (II) > (IV)

D

(II) > (III) > (IV) > (I)

Question 172: Palette 172/224

JEE Mains 2020 MCQ

The major product Z obtained in the following reaction scheme is :

A

B

C

D

Question 173: Palette 173/224

JEE Mains 2020 MCQ

The major products A and B in the following reactions are :

A

B

C

D

Question 174: Palette 174/224

JEE Mains 2020 MCQ

In the following reaction sequence,


The major product B is :

A

B

C

D

Question 175: Palette 175/224

JEE Mains 2020 MCQ

Consider the following reaction :


The product 'X' is used :

A

as food grade colourant

B

in acid base titration as an indicatior.

C

in laboratory test for phenols

D

in protein estimation as an alternative to ninhydrin.

Question 176: Palette 176/224

JEE Mains 2019 MCQ

Benzene diazonium chloride on reaction with aniline in the presence of dilute hydrochloric acid gives :

A

B

C

D

Question 177: Palette 177/224

JEE Mains 2019 MCQ

Which of the following is not a correct method of the preparation of benzylamine from cyanobenzene ?

A

(i) SnCl₂ + HCl(gas)          (ii) NaBH₄

B

H₂/Ni

C

(i) LiAlH₄                           (ii) H₃O⁺

D

(i) HCl/H₂O                        (ii) NaBH₄

Question 178: Palette 178/224

JEE Mains 2019 MCQ

Ethylamine (C₂H₅NH₂) can be obtained from N-ethylphatalimide on treatment with :

A

CaH₂

B

H₂O

C

NaBH₄

D

NH₂NH₂

Question 179: Palette 179/224

JEE Mains 2019 MCQ

The major product of the following reaction is :

A

B

C

D

CH₃CH = CH–CH₂NH₂

Question 180: Palette 180/224

JEE Mains 2019 MCQ

The major products A and B for the following reactions are, respectively:

A

B

C

D

Question 181: Palette 181/224

JEE Mains 2019 MCQ

Hinsberg's reagent is :

A

C₆H₅COCl

B

C₆H₅SO₂Cl

C

SOCl₂

D

(COCl)₂

Question 182: Palette 182/224

JEE Mains 2019 MCQ

The major product obtained in the following reaction is :

A

B

C

D

Question 183: Palette 183/224

JEE Mains 2019 MCQ

The major product of the following reaction is:

A

B

C

D

Question 184: Palette 184/224

JEE Mains 2019 MCQ

Which of the following amines can be prepared by Gabriel phthalimide reaction ?

A

neo-pentylamine

B

n-butylamine

C

t-butylamine

D

triethylamine

Question 185: Palette 185/224

JEE Mains 2019 MCQ

Coupling of benzene diazonium chloride with 1 - naphthol in alkaline medium will give :

A

B

C

D

Question 186: Palette 186/224

JEE Mains 2019 MCQ

The increasing order of the reactivity of the following with LiAlH₄ is

A

A < B < C < D

B

B < A < C < D

C

B < A < D < C

D

A < B < D < C

Question 187: Palette 187/224

JEE Mains 2019 MCQ

The major product of the following reaction is –

A

B

C

D

Question 188: Palette 188/224

JEE Mains 2019 MCQ

The increasing order of reactivity of the following compounds towards reaction with alkyl halides directly is

(A)

(B)

(C)

(D)

A

A < B < C < D

B

B < A < C < D

C

B < A < D < C

D

A < C < D < B

Question 189: Palette 189/224

JEE Mains 2019 MCQ

A compound 'X' on treatment with Br₂/NaOH, provided C₃H₉N, which gives positive carbylamine test. Compound 'X' is :

A

CH₃CH₂CH₂CONH₂

B

CH₃CON(CH₃)₂

C

CH₃CH₂COCH₂NH

D

CH₃COCH₂NHCH₃

Question 190: Palette 190/224

JEE Mains 2019 MCQ

The major product of the following reaction is :

A

B

C

D

Question 191: Palette 191/224

JEE Mains 2019 MCQ

An aromatic compound 'A' having molecular formula C₇H₆O₂ on treating with aqueous ammonia and heating forms compound 'B'. The compound 'B' on reaction with molecular bromine and potassium hydroxide provides compound 'C' having molecular formula C₆H₇N.. The structure of 'A' is

A

B

C

D

Question 192: Palette 192/224

JEE Mains 2019 MCQ

The major product of the following reaction is :

A

B

C

D

Question 193: Palette 193/224

JEE Mains 2019 MCQ

The major product formed in the reaction given below will be :

A

B

C

D

Question 194: Palette 194/224

JEE Mains 2019 MCQ

The major product obtained in the following reaction is :

A

B

C

D

Question 195: Palette 195/224

JEE Mains 2019 MCQ

The major product of the following reaction is :

A

B

C

D

Question 196: Palette 196/224

JEE Mains 2019 MCQ

Arrange the following amines in the decreasing order of basicity :

A

I > II > III

B

III > I > II

C

III > II > I

D

I > III > II

Question 197: Palette 197/224

JEE Mains 2019 MCQ

The major product of following reaction is :

A

RCOOH

B

RCONH₂

C

RCHO

D

RCH₂NH₂

Question 198: Palette 198/224

JEE Mains 2018 MCQ

Products A and B formed in the following reactions are respectively :

A

B

C

D

Question 199: Palette 199/224

JEE Mains 2018 MCQ

The increasing order of basicity of the following compounds is :

A

(d) < (b) < (a) < (c)

B

(a) < (b) < (c) < (d)

C

(b) < (a) < (c) < (d)

D

(b) < (a) < (d) < (c)

Question 200: Palette 200/224

JEE Mains 2018 MCQ

The increasing order of diazotisation of the following compounds is :

A

(a)  <   (b)   <  (c)   <  (d)

B

(a)  <   (d)   <  (b)   <  (c)

C

(a)  <   (d)   <  (c)   <  (b)

D

(d)  <   (c)   <  (b)   <  (a)

Question 201: Palette 201/224

JEE Mains 2018 MCQ

Which of the following will not exist in zwitter ionic form at pH=7 ?

A

B

C

D

Question 202: Palette 202/224

JEE Mains 2018 MCQ

The increasing order of nitration of the following compounds is :

A

(b) < (a) < (c) < (d)

B

(a) < (b) < (c) < (d)

C

(b) < (a) < (d) < (c)

D

(a) < (b) < (d) < (c)

Question 203: Palette 203/224

JEE Mains 2017 MCQ

Among the following compounds, the increasing order of their basic strength is :

A

(I) < (II) < (IV) < (III)

B

(I) < (II) < (III) < (IV)

C

(II) < (I) < (IV) < (III)

D

(II) < (I) < (III) < (IV)

Question 204: Palette 204/224

JEE Mains 2017 MCQ

The major product expected from the following reaction is :

A

B

C

D

Question 205: Palette 205/224

JEE Mains 2017 MCQ

Which of the following compounds will form significant amount of meta product during mono-nitration reaction?

A

B

C

D

Question 206: Palette 206/224

JEE Mains 2016 MCQ

The “N” which does not contribute to the basicity for the compound is :

A

N 7

B

N 9

C

N 1

D

N 3

Question 207: Palette 207/224

JEE Mains 2016 MCQ

Fluorination of an aromatic ring is easily accomplished by treating a diazonium salt with HBF₄. Which of the following conditions is correct about this reaction ?

A

Only heat

B

NaNO₂/Cu

C

Cu₂O/H₂O

D

NaF/Cu

Question 208: Palette 208/224

JEE Mains 2016 MCQ

The test to distinguish primary, secondary and tertiary amines is :

A

Carbylamine reaction

B

C₆H₅SO₂Cl

C

Sandmeyer’s reaction

D

Mustard oil test

Question 209: Palette 209/224

JEE Mains 2016 MCQ

In the Hofmann bromamide degradation reaction, the number of moles of NaOH and Br₂ used per mole of amine produced are:

A

Four moles of NaOH and two moles of Br₂.

B

Two moles of NaOH and two moles of Br₂

C

Four moles of NaOH and one mole of Br₂

D

One mole of NaOH and one mole of Br₂

Question 210: Palette 210/224

JEE Mains 2015 MCQ

In the reaction


The product $E$ is :

A

B

C

D

Question 211: Palette 211/224

JEE Mains 2014 MCQ

On heating an aliphatic primary amine with chloroform and ethanolic potassium hydroxide, the organic compound formed is:

A

an alkyl cyanide

B

an alkyl isocyanide

C

an alkanol

D

an alkanediol

Question 212: Palette 212/224

JEE Mains 2014 MCQ

Considering the basic strength of amines in aqueous solution, which one has the smallest pK_b value?

A

(CH₃)₃N

B

C₆H₅NH₂

C

(CH₃)₂NH

D

CH₃NH₂

Question 213: Palette 213/224

JEE Mains 2013 MCQ

A compound with molecular mass 180 is acylated with CH₃COCl to get a compound with molecular mass 390. The number of amino groups present per molecule of the former compound is:

A

2

B

5

C

4

D

6

Question 214: Palette 214/224

JEE Mains 2013 MCQ

An organic compound A upon reacting with $N{H_3}$ gives $B.$ On heating $B$ gives $C.$ $C$ in presence of $KOH$ reacts with $B{r_2}$ to given $C{H_3}C{H_2}N{H_2}2.$ $A$ is :

A

$C{H_3}COOH$

B

$C{H_3}C{H_2}C{H_2}COOH$

C

D

$C{H_3}C{H_2}COOH$

Question 215: Palette 215/224

JEE Mains 2013 MCQ

The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was:

A

Methylamine

B

Ammonia

C

Phosgene

D

Methyl isocyanate

Question 216: Palette 216/224

JEE Mains 2010 MCQ

In the chemical reactions,



the compounds $'A'$ and $'B'$ respectively are

A

nitrobenzene and fluorobenzene

B

phenol and benzene

C

benzene diazonium chloride and fluorobenzene

D

nitrobenzene and chlorobenzene

Question 217: Palette 217/224

JEE Mains 2007 MCQ

Which one of the following is the strongest base in aqueous solution?

A

Trimethylamine

B

Aniline

C

Dimethylamine

D

Methylamine

Question 218: Palette 218/224

JEE Mains 2007 MCQ

In the chemical reaction,
CH₃CH₂NH₂ + CHCl₃ + 3KOH $\to$ (A) + (B) + 3H₂O, the compound (A) and (B) are respectively

A

C₂H₅CN and 3KCl

B

CH₃CH₂CONH₂ and 3KCl

C

C₂H₅NC and K₂CO₃

D

C₂H₅NC and 3KCl

Question 219: Palette 219/224

JEE Mains 2005 MCQ

An organic compound having molecular mass 60 is found to contain C = 20%, H = 6.67% and N = 46.67% while rest is oxygen. On heating it gives NH₃ along with a solid residue. The solid residue give violet colour with alkaline copper sulphate solution. The compound is

A

CH₃NCO

B

CH₃CONH₂

C

(NH₂)₂CO

D

CH₃CH₂CONH₂

Question 220: Palette 220/224

JEE Mains 2005 MCQ

Amongst the following the most basic compound is

A

benzylamine

B

aniline

C

acetanilide

D

p-nitroaniline

Question 221: Palette 221/224

JEE Mains 2005 MCQ

Which one of the following methods is neither meant for the synthesis nor for separation of amines?

A

Hinsberg method

B

Hofmann method

C

Wurtz reaction

D

Curtius reaction

Question 222: Palette 222/224

JEE Mains 2003 MCQ

The correct order of increasing basic nature for the bases NH₃, CH₃NH₂ and (CH₃)₂ NH is

A

(CH₃)₂NH < NH₃ < CH₃NH₂

B

NH₃ < CH₃NH₂ < (CH₃)₂NH

C

CH₃NH₂ < (CH₃)₂NH < NH₃

D

CH₃NH₂ < NH₃ < (CH₃)₂NH

Question 223: Palette 223/224

JEE Mains 2003 MCQ

Ethyl isocyanide on hydrolysis in acidic medium generates

A

propanoic acid and ammonium salt

B

ethanoic acid and ammonium salt

C

methylamine salt and ethanoic acid

D

ethylamine salt and methanoic acid

Question 224: Palette 224/224

JEE Mains 2002 MCQ

When primary amine reacts with chloroform in ethanoic KOH then the product is

A

an isocyanide

B

an aldehyde

C

a cyanide

D

an alcohol