Question 1: Palette 1/57

NEET 2026 MCQ

Select the reagents that reduce nitriles to primary amines.

A. (i) $\mathrm{LiAlH}_4$; (ii) $\mathrm{H}_2 \mathrm{O}$

B. $\mathrm{Sn}+\mathrm{HCl}$

C. $\mathrm{H}_2 / \mathrm{Ni}$

D. $\mathrm{Na}(\mathrm{Hg}) / \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$

E. $\mathrm{Br}_2 / \mathrm{aq} . \mathrm{NaOH}$

Choose the correct answer from the options given below.

A

B, D and E only

B

A, C and D only

C

A, D and E only

D

A, B and C only

Question 2: Palette 2/57

NEET 2026 MCQ

$ \begin{aligned} &\text { The following two reactions give the same foul smelling product } Z \text {. }\\ &\mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl} \xrightarrow{\mathrm{X}} \mathrm{Z} \end{aligned} $

$X$ and $Z$, respectively, are :

A

$\mathrm{X}=\mathrm{AgCN} ; \mathrm{Z}=\mathrm{C}_2 \mathrm{H}_5 \mathrm{NC}$

B

$\mathrm{X}=\mathrm{KCN} ; \mathrm{Z}=\mathrm{C}_2 \mathrm{H}_5 \mathrm{CN}$

C

$\mathrm{X}=\mathrm{AgCN} ; \mathrm{Z}=\mathrm{C}_2 \mathrm{H}_5 \mathrm{CN}$

D

$\mathrm{X}=\mathrm{KCN} ; \mathrm{Z}=\mathrm{C}_2 \mathrm{H}_5 \mathrm{NC}$

Question 3: Palette 3/57

NEET 2026 MCQ

$ \text { Two products } X \text { and } Y \text { are formed in the following reaction sequence. } $

The suitable method that can be used for the separation of products X and Y is :

A

Fractional distillation

B

Sublimation

C

Differential extraction

D

Continuous extraction

Question 4: Palette 4/57

NEET 2026 MCQ

The major product Z formed in the following sequence of reactions is

A

$\mathrm{C}_2 \mathrm{H}_5 \mathrm{NO}_2$

B

$\mathrm{C}_2 \mathrm{H}_5-\mathrm{N}=\mathrm{N}-\mathrm{OH}$

C

$\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$

D

$\mathrm{C}_2 \mathrm{H}_5 \mathrm{NH}_2$

Question 5: Palette 5/57

NEET 2026 MCQ

$ \text { One of the products formed in the following reaction is } $

A

B

C

D

Question 6: Palette 6/57

NEET 2026 MCQ

Given below are two statements:

Statement-I : Oxidation of p-nitrotoluene with acidic $\mathrm{KMnO}_4$ gives an acid that is stronger than benzoic acid.

Statement-II : Reduction of p-nitrotoluene with $\mathrm{Sn} / \mathrm{HCl}$ followed by neutralization gives an amine that is more basic than aniline.

In 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 correct

C

Both Statement-I and Statement-II are incorrect

D

Statement-I is correct but Statement-II is incorrect

Question 7: Palette 7/57

NEET 2026 MCQ

$ \text { Identify the reactions which give aniline as the major product. } $

Choose the correct answer from the options given below.

A

C and D only

B

A and B only

C

B and D only

D

A and C only

Question 8: Palette 8/57

NEET 2025 MCQ

The correct order of decreasing basic strength of the given amines is: Answer (1) Sol. Lower is the value of $\mathrm{pK}_{\mathrm{b}}$, higher is the basicity Also aliphatic amines are stronger bases than aromatic amines. $\mathrm{pK}_{\mathrm{b}}$ : Benzenamine > N-Methylaniline > Ethanamine > N-Ethylethanamine Basic strength : N-Ethylethanamine > Ethanamine > N-Methylaniline > Benzenamine

A

N -ethylethanamine > ethanamine > N-methylaniline > benzenamine

B

benzenamine $>$ ethanamine $>\mathrm{N}$-methylaniline $>\mathrm{N}$-ethylethanamine

C

N -methylaniline > benzenamine > ethanamine > N-ethylethanamine

D

N-ethylethanamine > ethanamine > benzenamine > N-methylaniline

Question 9: Palette 9/57

NEET 2025 MCQ

Given below are two statements :

Statement-I : Benzenediazonium salt is prepared by the reaction of aniline with nitrous acid at $273-278 \mathrm{~K}$. It decomposes easily in the dry state.

Statement-II : Insertion of iodine into the benzene ring is difficult and hence iodobenzene is prepared through the reaction of benzenediazonium salt with KI.

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

A

Statement I is correct but Statement II is incorrect

B

Statement I is incorrect but Statement II is correct

C

Both Statement I and Statement II are correct

D

Both Statement I and Statement II are incorrect

Question 10: Palette 10/57

NEET 2024 MCQ

The major product X formed in the following reaction sequence is :

A

B

C

D

Question 11: Palette 11/57

NEET 2024 MCQ

The compound that does not undergo Friedel-Crafts alkylation reaction but gives a positive carbylamine test is :

A

Aniline

B

Pyridine

C

N-methylaniline

D

Triethylamine

Question 12: Palette 12/57

NEET 2024 MCQ

Given below are two statements:

Statement I : Aniline does not undergo Friedel-Crafts alkylation reaction.

Statement II : Aniline cannot be prepared through Gabriel synthesis.

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 correct but Statement II is false

D

Statement I is incorrect but Statement II is true

Question 13: Palette 13/57

NEET 2023 MCQ

Identify the product in the following reaction:

A

B

C

D

Question 14: Palette 14/57

NEET 2023 MCQ

Which of the following reactions will NOT give primary amine as the product?

A

$\mathrm{CH}_{3} \mathrm{CN} \underset{\left(\text {ii) } \mathrm{H}_{3} \mathrm{O}^{\oplus}\right.}{\stackrel{\text { (i) } \mathrm{LiAlH}_{4}}{\longrightarrow}}$ Product

B

$\mathrm{CH}_{3} \mathrm{NC} \underset{\left(\text {ii) } \mathrm{H}_{3} \mathrm{O}^{\oplus}\right.}{\stackrel{\text { (i) } \mathrm{LiAlH}_{4}}{\longrightarrow}}$ Product

C

$\mathrm{CH}_{3} \mathrm{CONH_2} \underset{\left(\text {ii) } \mathrm{H}_{3} \mathrm{O}^{\oplus}\right.}{\stackrel{\text { (i) } \mathrm{LiAlH}_{4}}{\longrightarrow}}$ Product

D

$\mathrm{CH}_{3} \mathrm{CONH}_{2} \stackrel{\mathrm{Br}_{2} / \mathrm{KOH}}{\longrightarrow}$ Product

Question 15: Palette 15/57

NEET 2022 MCQ

The product formed from the following reaction sequence is :

A

B

C

D

Question 16: Palette 16/57

NEET 2022 MCQ

Which of the following sequence of reactions is suitable to synthesize chlorobenzene?

A

Benzene, Cl₂, anhydrous FeCl₃

B

Phenol, NaNO₂, HCl, CuCl

C

D

Question 17: Palette 17/57

NEET 2022 MCQ

Given below are two statements

Statement I : Primary aliphatic amines react with HNO₂ to give unstable diazonium salts.

Statement II : Primary aromatic amines react with HNO₂ to form diazonium salts which are stable even above 300 K.

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 18: Palette 18/57

NEET 2022 MCQ

The product formed from the following reaction sequence is

A

B

C

D

Question 19: Palette 19/57

NEET 2021 MCQ

Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.

A

B

C

D

Question 20: Palette 20/57

NEET 2020 MCQ

Which of the following amine will give the carbylamine test?

A

B

C

D

Question 21: Palette 21/57

NEET 2019 MCQ

The correct order of the basic strength of methyl substituted amines in aqueous solution is :

A

(CH₃)₃N > (CH₃)₂NH > CH₃NH₂

B

CH₃NH₂ > (CH₃)₂NH > (CH₃)₃N

C

(CH₃)₂NH > CH₃NH₂ > (CH₃)₃N

D

(CH₃)₃N > CH₃NH₂ > (CH₃)₂NH

Question 22: Palette 22/57

NEET 2019 MCQ

The major product of the following reaction is :

A

B

C

D

Question 23: Palette 23/57

NEET 2018 MCQ

Nitration of aniline in strong acidic medium also gives m-nitroaniline because

A

inspite of substituents nitro group always goes to only m-position

B

in electrophilic substitution reactions amino group is meta directive

C

in absence of substituents nitro group always goes to m-position

D

in acidic (strong) medium aniline is present as anilinium ion.

Question 24: Palette 24/57

NEET 2017 MCQ

Which of the following reactions is appropriate for converting acetamide to methanamine?

A

Hoffmann hypobromamide reaction

B

Stephen's reaction

C

Gabriel phthalimide synthesis

D

Carbylamine reaction

Question 25: Palette 25/57

NEET 2017 MCQ

The correct increasing order of basic strength for the following compounds is

A

III < I < II

B

III < II < I

C

II < I < III

D

II < III < I

Question 26: Palette 26/57

NEET 2016 MCQ

A given nitrogen-containing aromatic compound 'A' reacts with Sn/HCl, followed by HNO₂ to give instable compound 'B'. 'B', on treatment with phenol, forms a beautiful coloured compound 'C' with the molecular formula C₁₂H₁₀N₂O. The structure of compound 'A' is

A

B

C

D

Question 27: Palette 27/57

NEET 2016 MCQ

Which one of the following nitro-compounds does not react with nitrous acid?

A

B

C

D

Question 28: Palette 28/57

NEET 2016 MCQ

The product formed by the reaction of an aldehyde with a primary amine is

A

carboxylic acid

B

aromatic acid

C

Schiff's base

D

ketone

Question 29: Palette 29/57

NEET 2016 MCQ

The correct statement regarding the basicity of arylamines is

A

arylamines are generally more basic than alkalmines because of aryl group

B

arylamines are generally more basic than alkylmines, because the nitrogen atom in arylamines is sp-hybridised

C

arylamines are generally less basic than alkylamines because the nitrogen lone-pair electrons are delocalised by interaction with the aromatic ring $\pi $-electron system

D

arylamines are generally more basic than alkylamines because the nitrogen lone-pair electrons are not delocalised by interaction with the aromatic ring $\pi $-electron system.

Question 30: Palette 30/57

NEET 2015 MCQ

The following reaction

is known by the name

A

Perkin's reaction

B

Acetylation reaction

C

Schotten-Baumann reaction

D

Friedel-Craft's reaction

Question 31: Palette 31/57

NEET 2015 MCQ

Method by which aniline cannot be prepared is

A

degradation of benzamide with bromine in alkaline solution

B

reduction of nitrobenzene with H₂/Pd in ethanol

C

potassium salt of phthalimide treated with chlorobenzene followed by hydrolysis with aqueous NaOH solution

D

hydrolysis of phenylisocyanide with acidic solution.

Question 32: Palette 32/57

NEET 2015 MCQ

The number of structural isomers possible from the molecular formula C₃H₉N is

A

5

B

2

C

3

D

4

Question 33: Palette 33/57

NEET 2015 MCQ

The electrolytic reduction of nitrobenzene in strongly acidic medium produces

A

azobenzene

B

aniline

C

$p$-aminophenol

D

azoxybenzene.

Question 34: Palette 34/57

NEET 2014 MCQ

Which of the following will be most stable diazonium salt RN₂⁺X^$-$?

A

CH₃N₂⁺X^$-$

B

C₆H₅N₂⁺X^$-$

C

CH₃CH₂N₂⁺X^$-$

D

C₆H₅CH₂N₂⁺X^$-$

Question 35: Palette 35/57

NEET 2014 MCQ

In the following reaction, the product (A) is

A

B

C

D

Question 36: Palette 36/57

NEET 2013 MCQ

Some reactions of amines are given. Which one is not correct?

A

B

CH₃CH₂NH₂ + HNO₂ $ \to $ CH₃CH₂OH + N₂

C

CH₃NH₂ + C₆H₅SO₂Cl $ \to $ CH₃NHSO₂C₆H₅

D

(CH₃)₂NH + NaNO₂ + HCl  $ \to $ (CH₃)₂N $-$ N $=$ O

Question 37: Palette 37/57

NEET 2013 MCQ

On hydrolysis of a ''compound'', two compounds are obtained. One of which one treatment with sodium nitrite and hydrochloric acid gives a product which does not respond to iodoform test. The second one reduces Tollens reagent and Fehling's solution. The ''compound'' is

A

CH₃CH₂CH₂NC

B

CH₃CH₂CH₂CN

C

CH₃CH₂CH₂ON $=$ O

D

CH₃CH₂CH₂CON(CH₃)₂

Question 38: Palette 38/57

NEET 2013 MCQ

Nitrobenzene on reaction with conc. HNO₃/H₂SO₄ at 80$-$100^oC forms which one of the following products?

A

1, 4-Dinitrobenzene

B

1, 2, 4 - Trinitrobenzene

C

1, 2-Dinitrobenzene

D

1, 3-Dinitrobenzene

Question 39: Palette 39/57

NEET 2013 MCQ

In the reaction

A is

A

H₃PO₂ and H₂O

B

H⁺/H₂O

C

HgSO₄/H₂SO₄

D

Cu₂Cl₂

Question 40: Palette 40/57

NEET 2012 MCQ

An organic compound (C₃H₉N) (A), when treated with nitrous acid, gave an alcohol and N₂ gas was evolved. (A) on warming with CHCl₃ and caustic potash gave (C) which on reduction gave isopropylmethylamine. Predict the structure of (A)

A

B

CH₃CH₂ $-$ NH $-$ CH₃

C

D

CH₃CH₂CH₂ $-$ NH₂

Question 41: Palette 41/57

NEET 2011 MCQ

What of the following compounds is most basic?

A

B

C

D

Question 42: Palette 42/57

NEET 2011 MCQ

What is the product obtained in the following reaction?

A

B

C

D

Question 43: Palette 43/57

NEET 2010 MCQ

Aniline in a set of the following reactions yielded a coloured product Y.

The structure of 'Y' would be

A

B

C

D

Question 44: Palette 44/57

NEET 2010 MCQ

Which of the following statements about primary amines is false?

A

Alkyl amines are stronger bases than aryl amines.

B

Alkyl amines react with nitrous acid to produce alcohols.

C

Aryl amines react with nitrous acid to produce phenols.

D

Alkyl amines are stronger bases than ammonia.

Question 45: Palette 45/57

NEET 2010 MCQ

Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine?

A

NaOH/Br₂

B

Sodalime

C

Hot conc.H₂SO₄

D

PCl₅

Question 46: Palette 46/57

NEET 2009 MCQ

Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO₃ and conc. H₂SO₄. In the mixture, nitric acid acts as a/an

A

acid

B

base

C

catalyst

D

reducing agent

Question 47: Palette 47/57

NEET 2009 MCQ

Predict the product.

A

B

C

D

Question 48: Palette 48/57

NEET 2008 MCQ

In a reaction of aniline a coloured product C was obtained.

The structure of C would be

A

B

C

D

Question 49: Palette 49/57

NEET 2007 MCQ

Which one of the following on reduction with lithium aluminium hydride yields a secondary amine?

A

Methyl isocyanide

B

Acetamide

C

Methyl cyanide

D

Nitroethane

Question 50: Palette 50/57

NEET 2006 MCQ

Which of the following is more basic than aniline?

A

Benzylamine

B

Diphenylamine

C

Triphenylamine

D

$p$-Nitroaniline

Question 51: Palette 51/57

NEET 2005 MCQ

Aniline in a set of reactions yielded a product D.

The structure of the product D would be

A

C₆H₅NHOH

B

C₆H₅NHCH₂CH₃

C

C₆H₅CH₂NH₂

D

C₆H₅CH₂OH

Question 52: Palette 52/57

NEET 2005 MCQ

Electrolytic reduction of nitrobenzene in weakly acidic medium gives

A

N-phenylhydroxylamine

B

nitrosobenzene

C

aniline

D

p-hydroxyaniline.

Question 53: Palette 53/57

NEET 2004 MCQ

In a reaction of aniline a coloured product C was obtained.

The structure of C would be

A

B

C

D

Question 54: Palette 54/57

NEET 2003 MCQ

The final product C, obtained in this reaction

would be

A

B

C

D

Question 55: Palette 55/57

NEET 2002 MCQ

Product 'P' in the above reaction is

A

B

C

D

Question 56: Palette 56/57

NEET 2001 MCQ

Intermediates formed during reaction of

are

A

RCONHBr and RNCO

B

RNHCOBr and RNCO

C

RNH $-$ Br and RCONHBr

D

RCONBr₂

Question 57: Palette 57/57

NEET 2000 MCQ

then A is

A

B

C

CH₃NH₂

D