Question 1: Palette 1/54

NEET 2026 MCQ

The pair of molecules that are metamers among the following is :

A

$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{OH}$ and $\mathrm{CH}_3-\mathrm{CH}(\mathrm{OH})-\mathrm{CH}_3$

B

$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CH}_3$ and $\left(\mathrm{CH}_3\right)_2 \mathrm{CHCH}_2 \mathrm{CH}_3$

C

D

$ \mathrm{CH}_3 \mathrm{OCH}_2 \mathrm{CH}_2 \mathrm{CH}_3 \text { and } \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OCH}_2 \mathrm{CH}_3 $

Question 2: Palette 2/54

NEET 2026 MCQ

$ \text { In the following reaction sequence, } \mathrm{X} \text { and } \mathrm{Z} \text { respectively are : } $

A

B

$ \mathrm{X}=\mathrm{POCl}_3 ; \mathrm{Z}=\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2-\mathrm{Br} $

C

D

$ \mathrm{X}=\mathrm{H}_3 \mathrm{PO}_3 ; \mathrm{Z}=\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2-\mathrm{Br} $

Question 3: Palette 3/54

NEET 2026 MCQ

The functional group that can be identified through phthalein dye test is :

A

Aldehyde

B

Phenolic

C

Carboxylic acid

D

Alcohol

Question 4: Palette 4/54

NEET 2026 MCQ

Arrange the following compounds in the increasing order of polarity

A. $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OCH}_2 \mathrm{CH}_3$

B. $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}$

C. $\mathrm{CH}_3 \mathrm{COCH}_3$

D. $\mathrm{CH}_3 \mathrm{COOH}$

Choose the correct answer from the options given below.

A

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

B

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

C

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

D

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

Question 5: Palette 5/54

NEET 2024 MCQ

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

A

B

C

$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}$

D

$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl}$

Question 6: Palette 6/54

NEET 2024 MCQ

Identify D in the following sequence of reactions:

A

n-propyl alcohol

B

isopropyl alcohol

C

propanal

D

propionic acid

Question 7: Palette 7/54

NEET 2024 MCQ

Which one of the following alcohols reacts instantaneously with Lucas reagent?

A

$ \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CH}_2 \mathrm{OH} $

B

C

D

Question 8: Palette 8/54

NEET 2024 MCQ

The products $\mathrm{A}$ and $\mathrm{B}$ obtained in the following reactions, respectively, are

$\begin{aligned} & 3 \mathrm{ROH}+\mathrm{PCl}_3 \rightarrow 3 \mathrm{RCl}+\mathrm{A} \\ & \mathrm{ROH}+\mathrm{PCl}_5 \rightarrow \mathrm{RCl}+\mathrm{HCl}+\mathrm{B} \end{aligned}$

A

$\mathrm{POCl}_3$ and $\mathrm{H}_3 \mathrm{PO}_3$

B

$\mathrm{POCl}_3$ and $\mathrm{H}_3 \mathrm{PO}_4$

C

$\mathrm{H}_3 \mathrm{PO}_4$ and $\mathrm{POCl}_3$

D

$\mathrm{H}_3 \mathrm{PO}_3$ and $\mathrm{POCl}_3$

Question 9: Palette 9/54

NEET 2024 MCQ

Major products A and B formed in the following reaction sequence, are

A

B

C

D

Question 10: Palette 10/54

NEET 2023 MCQ

Consider the following reaction and identify the product (P).

A

$\mathrm{CH}_{3} \mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}$

B

C

D

Question 11: Palette 11/54

NEET 2023 MCQ

Consider the following reaction

Identify products A and B :-

A

B

C

D

Question 12: Palette 12/54

NEET 2023 MCQ

Which amongst the following will be most readily dehydrated under acidic conditions?

A

B

C

D

Question 13: Palette 13/54

NEET 2022 MCQ

Match the reagents (List-I) with the product (List-II) obtained from phenol.

	List-I		List-II
(a)	(i) NaOH (ii) CO$_2$ (iii) H$^ + $	(i)	Benzoquinone
(b)	(i) Aqueous NaOH + CHCl$_3$ (ii) H$^ + $	(ii)	Benzene
(c)	Zn dust, $\Delta$	(iii)	Salicyl aldehyde
(d)	Na$_2$Cr$_2$O$_7$, H$_2$SO$_4$	(iv)	Salicylic acid

Choose the correct answer from the options given below :

A

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

B

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

C

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

D

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

Question 14: Palette 14/54

NEET 2022 MCQ

Which one of the following reaction sequence is incorrect method to prepare phenol?

A

B

Aniline, NaNO₂ + HCl, H₂O, heating

C

Cumene, O₂, H₃O⁺

D

Question 15: Palette 15/54

NEET 2022 MCQ

Given below are two statements:

Statement I: The acidic strength of monosubstituted nitrophenol is higher than phenol because of electron withdrawing nitro group.

Statement II : o-nitrophenol, m-nitrophenol and p-nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring.

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 16: Palette 16/54

NEET 2022 MCQ

Given below are two statements:

Statement I : In Lucas test, primary, secondary and tertiary alcohols are distinguished on the basis of their reactivity with conc. HCl + ZnCl₂, known as Lucas Reagent.

Statement II : Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas Reagent.

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 17: Palette 17/54

NEET 2020 MCQ

Anisole on cleavage with Hl gives :

A

B

C

D

Question 18: Palette 18/54

NEET 2019 MCQ

The structure of intermediate A in the following reaction, is :

A

B

C

D

Question 19: Palette 19/54

NEET 2018 MCQ

Identify the major products P, Q and R in the following sequence of reactions :

A

B

C

D

Question 20: Palette 20/54

NEET 2018 MCQ

In the reaction,
the electrophile involved is

A

dichloromethyl cation ($\mathop C\limits^ + $HCl₂)

B

formyl cation ($\mathop C\limits^ + $HO)

C

dichloromethyl anion ($\mathop C\limits^ - $HCl₂)

D

dichlorocarbene (:CCl₂)

Question 21: Palette 21/54

NEET 2018 MCQ

The compound A on treatment with Na gives B, and with PCl₅ gives C. B and C react together to give diethyl ether. A, B and C are in the order

A

C₂H₅OH, C₂H₆ , C₂H₅Cl

B

C₂H₅OH, C₂H₅Cl , C₂H₅ONa

C

C₂H₅Cl, C₂H₆ , C₂H₅OH

D

C₂H₅OH, C₂H₅ONa , C₂H₅Cl

Question 22: Palette 22/54

NEET 2018 MCQ

Compound A, C₈H₁₀O, is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with characteristic smell. A and Y are respectively

A

B

C

D

Question 23: Palette 23/54

NEET 2017 MCQ

Which one is the most acidic compound?

A

B

C

D

Question 24: Palette 24/54

NEET 2017 MCQ

The heating of phenyl methyl ether with HI produces

A

iodobenzene

B

phenol

C

benzene

D

ethyl chloride.

Question 25: Palette 25/54

NEET 2016 MCQ

The reaction


can be classified as

A

dehydration reaction

B

Williamson alcohol synthesis reaction

C

Williamson ether synthesis reaction

D

alcohol formation reaction.

Question 26: Palette 26/54

NEET 2015 MCQ

Which of the following reaction(s) can be used for the preparation of alkyl halides?

A

(I) and (II) only

B

(IV) only

C

(III) and (IV) only

D

(I), (III) and (IV) only

Question 27: Palette 27/54

NEET 2015 MCQ

Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following functional group?

A

$-$COOH

B

$-$CHCl₂

C

$-$CHO

D

$-$CH₂Cl

Question 28: Palette 28/54

NEET 2015 MCQ

The reaction,


is called

A

Etard reaction

B

Gattermann-Koch reaction

C

Williamson synthesis

D

Williamson continuous etherification process

Question 29: Palette 29/54

NEET 2014 MCQ

Among the following sets of reactants which one produces anisole?

A

CH₃CHO ; RMgX

B

C₆H₅OH ; NaOH ; CH₃I

C

C₆H₅OH ; neutral FeCl₃

D

C₆H₅CH₃ ; CH₃COCl ; AlCl₃

Question 30: Palette 30/54

NEET 2014 MCQ

Which of the following will not be soluble in sodium hydrogen carbonate?

A

2, 4, 6 - Trinitrophenol

B

Benzoic acid

C

o-Nitrophenol

D

Benzenesulphonic acid

Question 31: Palette 31/54

NEET 2013 MCQ

Number of isomeric alcohols of molecular formula C₆H₁₄O which give positive iodoform test is

A

three

B

four

C

five

D

two

Question 32: Palette 32/54

NEET 2013 MCQ

Among the following ethers, which one will produce methyl alcohol on treatment with hot concentrated HI?

A

B

C

D

Question 33: Palette 33/54

NEET 2012 MCQ

Which of the following compounds can be used as antifreeze in automobile radiators?

A

Methyl alcohol

B

Glycol

C

Nitrophenol

D

Ethyl alcohol

Question 34: Palette 34/54

NEET 2012 MCQ

In the following sequence of reactions

the end product (C) is

A

acetone

B

methane

C

acetaldehyde

D

ethyl alcohol

Question 35: Palette 35/54

NEET 2011 MCQ

In the following reactions,


the major products (A) and (C) are respectively

A

B

C

D

Question 36: Palette 36/54

NEET 2010 MCQ

When glycerol is treated with excess of HI, it produces

A

2-iodopropane

B

allyl iodide

C

propene

D

glycerol triiodide

Question 37: Palette 37/54

NEET 2010 MCQ

Match the compounds given in List I with their characteristic reactions given in List II. Select the correct option.

List I (Compounds)		List II (Reactions)
A.	CH3(CH2)3NH2	(i)	Alkaline hydrolysis
B.	CH3C$ \equiv $CH	(ii)	With KOH (alcohol) and CHCl3 produces bad smell
C.	CH3CH2COOCH3	(iii)	Gives white ppt. with ammoniacal AgNO3
D.	CH3CH(OH)CH3	(iv)	With Lucas reagent cloudiness appears after 5 minutes

A

A-(ii),  B-(i),  C-(iv),  D-(iii)

B

A-(iii),  B-(ii),  C-(i),  D-(iv)

C

A-(ii),  B-(iii),  C-(i),  D-(iv)

D

A-(iv),  B-(ii),  C-(iii),  D-(i)

Question 38: Palette 38/54

NEET 2010 MCQ

Following compounds are given


Which of the above compound(s), on being warmed with iodine solution and NaOH, will give iodoform?

A

(i), (iii) and (iv)

B

Only (ii)

C

(i), (ii) and (iii)

D

(i) and (ii)

Question 39: Palette 39/54

NEET 2010 MCQ

Among the following four compounds
(i)  Phenol
(ii)  Methyl phenol
(iii)  Meta-nitrophenol
(iv)  Para-nitrophenol

The acidity order is

A

(iv) > (iii) > (i) > (ii)

B

(iii) > (iv) > (i) > (ii)

C

(i) > (iv) > (iii) > (ii)

D

(ii) > (i) > (iii) > (iv)

Question 40: Palette 40/54

NEET 2010 MCQ

Given are cyclohexanol (I), acetic acid (II), 2, 4, 6-trinitrophenol (III) and phenol (IV). In these the order of decreasing acidic character will be

A

III > II > IV > I

B

II > III > I > IV

C

II > III > IV > I

D

III > IV > II > I

Question 41: Palette 41/54

NEET 2010 MCQ

Which of the following compounds has the most acidic nature?

A

B

C

D

Question 42: Palette 42/54

NEET 2009 MCQ

HOCH₂CH₂OH on heating with periodic acid gives

A

2HCOOH

B

C

D

2CO₂

Question 43: Palette 43/54

NEET 2009 MCQ

Consider the following reaction :


the product Z is

A

CH₃CH₂ $-$ O $-$ CH₂ $-$ CH₃

B

CH₃ $-$ CH₂ $-$ O $-$ SO₃H

C

CH₃CH₂OH

D

CH₂$=$CH₂

Question 44: Palette 44/54

NEET 2009 MCQ

Consider the following reaction :


the product Z is

A

benzaldehyde

B

benzoic acid

C

benzene

D

toluene

Question 45: Palette 45/54

NEET 2007 MCQ

In the reaction :

Which of the following compounds will be formed?

A

B

C

D

Question 46: Palette 46/54

NEET 2006 MCQ

The general molecular formula, which represents the homologous series of alkanols is

A

C_nH_2nO

B

C_nH_2nO₂

C

C_nH_{2n + 2}O

D

C_nH_{2n + 1}O

Question 47: Palette 47/54

NEET 2006 MCQ

The general molecular formula, which represents the homologous series of alkanols is

A

C_nH_2n+2O

B

C_nH_2nO₂

C

C_nH_2nO

D

C_nH_2n+1O

Question 48: Palette 48/54

NEET 2006 MCQ

The major organic product in the reaction is

CH₃ $-$ O $-$ CH(CH₃)₂ + HI $ \to $ products

A

CH₃I + (CH₃)₂CHOH

B

CH₃OH + (CH₃)₂CHI

C

ICH₂OCH(CH₃)₂

D

Question 49: Palette 49/54

NEET 2006 MCQ

Ethylene oxide when treated with Grignard reagent yields

A

primary alcohol

B

secondary alcohol

C

tertiary alcohol

D

cyclopropyl alcohol

Question 50: Palette 50/54

NEET 2005 MCQ

Which one of the following compounds is most acidic?

A

Cl $-$ CH₂ $-$ CH₂ $-$ OH

B

C

D

Question 51: Palette 51/54

NEET 2004 MCQ

Which one of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?

A

CH₃CH(OH)CH₃

B

CH₃CH₂CH(OH)CH₃

C

CH₃OH

D

CH₃CH₂OH

Question 52: Palette 52/54

NEET 2002 MCQ

When phenol is treated with CHCl₃ and NaOH, the product formed is

A

benzaldehyde

B

salicylaldehyde

C

salicylic acid

D

benzoic acid.

Question 53: Palette 53/54

NEET 2002 MCQ

n-propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent

A

PCl₅

B

reduction

C

oxidation with potassium dichromate

D

ozonolysis.

Question 54: Palette 54/54

NEET 2001 MCQ

Which of the following is correct?

A

On reduction, any aldehyde gives secondary alcohol.

B

Reaction of vegetable oil with H₂SO₄ gives glycerine

C

Alcoholic iodine with NaOH gives iodoform.

D

Sucrose on reaction with NaCl gives invert sugar.