Aldehydes, Ketones and Carboxylic Acids

2015 Q301 JEE Mains MCQ
14 Mar 2026
In the following sequence of reactions:

JEE Main 2015 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 266 English
The product C is
A.
C6H5CH3
B.
C6H5CH2OH
C.
C6H5CHO
D.
C6H5COOH
2015 Q302 JEE Advanced Numerical
14 Mar 2026

Among the following the number of reactions that produces benzaldehyde is _________.

JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 54 English

2015 Q303 JEE Advanced MCQ
14 Mar 2026

In the following reactions

JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 56 English

Compound X is

A.
JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 56 English Option 1
B.
JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 56 English Option 2
C.
JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 56 English Option 3
D.
JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 56 English Option 4
2015 Q304 JEE Advanced MCQ
14 Mar 2026

In the following reactions

JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 55 English

The major compound Y is

A.
JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 55 English Option 1
B.
JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 55 English Option 2
C.
JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 55 English Option 3
D.
JEE Advanced 2015 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 55 English Option 4
2015 Q305 JEE Advanced MCQ
14 Mar 2026

The major product of the following reaction is

JEE Advanced 2015 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 53 English

A.
JEE Advanced 2015 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 53 English Option 1
B.
JEE Advanced 2015 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 53 English Option 2
C.
JEE Advanced 2015 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 53 English Option 3
D.
JEE Advanced 2015 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 53 English Option 4
2014 Q306 JEE Mains MCQ
14 Mar 2026
In the reaction,
JEE Main 2014 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 267 English
the product C is:
A.
Ethylene
B.
Acetyl chloride
C.
Acetaldehyde
D.
Acetylene
2014 Q307 JEE Mains MCQ
14 Mar 2026
Sodium phenoxide when heated with $C{O_2}$ under pressure at ${125^ \circ }C$ yields a product which on acetylation products $C.$

JEE Main 2014 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 261 English

The major product $C$ would be
A.
JEE Main 2014 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 261 English Option 1
B.
JEE Main 2014 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 261 English Option 2
C.
JEE Main 2014 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 261 English Option 3
D.
JEE Main 2014 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 261 English Option 4
2014 Q308 JEE Advanced MCQ
14 Mar 2026

The major product in the following reaction is

JEE Advanced 2014 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 52 English
A.
JEE Advanced 2014 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 52 English Option 1
B.
JEE Advanced 2014 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 52 English Option 2
C.
JEE Advanced 2014 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 52 English Option 3
D.
JEE Advanced 2014 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 52 English Option 4
2014 Q309 JEE Advanced MCQ
14 Mar 2026

Different possible thermal decomposition pathways for peroxyesters are shown below. Match each pathway from List I with an appropriate structure from List II and select the correct answer using the code given below the lists.

JEE Advanced 2014 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 51 English 1

JEE Advanced 2014 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 51 English 2

A.
P-1, Q-3, R-4, S-2
B.
P-2, Q-4, R-3, S-1
C.
P-4, Q-1, R-2, S-3
D.
P-3, Q-2, R-1, S-4
2014 Q310 JEE Advanced Numerical
14 Mar 2026
Consider all possible isomeric ketones including stereoisomers of MW = 100. All these isomers are independently reacted with NaBH4 (Note : stereoisomers are also reacted separately). The total number of ketones that give a racemic product(s) is/are
2013 Q311 JEE Advanced MCQ
14 Mar 2026

Compounds formed from P and Q are, respectively,

A.
Optically active S and optically active pair (T, U).
B.
Optically inactive S and optically inactive pair (T, U).
C.
Optically active pair (T, U) and optically active S.
D.
Optically inactive pair (T, U) and optically inactive S.
2013 Q312 JEE Advanced MCQ
14 Mar 2026

In the following reaction sequences V and W are, respectively,

JEE Advanced 2013 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English

A.
JEE Advanced 2013 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English Option 1
B.
JEE Advanced 2013 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English Option 2
C.
JEE Advanced 2013 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English Option 3
D.
JEE Advanced 2013 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English Option 4
2013 Q313 JEE Advanced Numerical
14 Mar 2026

The total number of carboxylic acid groups is the product P is _________.

JEE Advanced 2013 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 47 English

2013 Q314 JEE Advanced MCQ
14 Mar 2026

After completion of the reactions (I and II), the organic compound(s) in the reaction mixtures is(are)

JEE Advanced 2013 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English

A.
Reaction I : P and Reaction II : P
B.
Reaction I : U, acetone and Reaction II : Q, acetone
C.
Reaction I : T, U, acetone and Reaction II : P
D.
Reaction I : R, acetone and Reaction II : S, acetone
2012 Q315 JEE Mains MCQ
14 Mar 2026
In the given transformation, which of the following is the most appropriate reagent ?

AIEEE 2012 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 257 English
A.
$N{H_2}N{H_2},\mathop {OH}\limits^\Theta $
B.
$Zn - Hg/HCl$
C.
$Na,Liq\,N{H_3}$
D.
$NaB{H_4}$
2012 Q316 JEE Advanced MCQ
14 Mar 2026

The major product H of the given reaction sequence is

$C{H_3} - C{H_2} - CO - C{H_3}\buildrel {\overline C N} \over \longrightarrow G\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{Heat}^{95\% \,{H_2}S{O_4}}} H$

A.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 39 English Option 1
B.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 39 English Option 2
C.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 39 English Option 3
D.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 39 English Option 4
2012 Q317 JEE Advanced MCQ
14 Mar 2026

The compound that undergoes decarboxylation most readily under mild condition is

A.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 1
B.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 2
C.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 3
D.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 4
2012 Q318 JEE Advanced MCQ
14 Mar 2026
The compound I is
A.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 1
B.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 2
C.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 3
D.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 4
2012 Q319 JEE Advanced MCQ
14 Mar 2026

The compound K is

A.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 40 English Option 1
B.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 40 English Option 2
C.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 40 English Option 3
D.
IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 40 English Option 4
2012 Q320 JEE Advanced MCQ
14 Mar 2026

The carboxyl functional group ($-$COOH) is present in

A.
picric acid
B.
barbituric acid
C.
ascorbic acid
D.
aspirin
2012 Q321 JEE Advanced MCQ
14 Mar 2026

The number of aldol reactions that occur in the given transformation are

IIT-JEE 2012 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 46 English

A.
1
B.
2
C.
3
D.
4
2012 Q322 JEE Advanced MCQ
14 Mar 2026

The number of optically active products obtained from the complete ozonolysis of the given compound is ______.

IIT-JEE 2012 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 42 English

A.
0
B.
1
C.
2
D.
4
2012 Q323 JEE Advanced MSQ
14 Mar 2026

With reference to the scheme given, which of the given statement(s) about T, U, V and W is(are) correct?

IIT-JEE 2012 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 43 English

A.
T is soluble in hot aqueous NaOH.
B.
U is optically active.
C.
Molecular formula of W is C10H18O4.
D.
V gives effervescence on treatment with aqueous NaHCO3.
2012 Q324 JEE Advanced MSQ
14 Mar 2026

Identify the binary mixtures that can be separated into individual compounds, by differential extraction, as shown in the given scheme.

IIT-JEE 2012 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 38 English

A.
C6H5OH and C6H5COOH
B.
C6H5COOH and C6H5CH2OH
C.
C6H5CH2OH and C6H5OH
D.
C6H5CH2OH and C6H5CH2COOH
2011 Q325 JEE Mains MCQ
14 Mar 2026
The strongest acid amongst the following compounds is :
A.
HCOOH
B.
CH3CH2CH(Cl)CO2H
C.
ClCH2CH2CH2COOH
D.
CH3COOH
2011 Q326 JEE Mains MCQ
14 Mar 2026
Trichloroacetaldehyde was subjected to Cannizzaro’s reaction by using NaOH. The mixture of the products contains sodium trichloroacetate and another compound. The other compound is :
A.
Trichloromethanol
B.
2, 2, 2-Trichloropropanol
C.
Chloroform
D.
2, 2, 2-Trichloroethanol
2011 Q327 JEE Mains MCQ
14 Mar 2026
Sodium ethoxide has reacted with ethanoyl chloride. The compound that is produced in the above reaction is
A.
2-Butanone
B.
Ethyl chloride
C.
Ethyl ethanoate
D.
Diethyl ether
2011 Q328 JEE Mains MSQ
14 Mar 2026
Silver Mirror test is given by which one of the following compounds ?
A.
Acetone
B.
Formaldehyde
C.
Benzophenone
D.
Acetaldehyde
2011 Q329 JEE Advanced MCQ
14 Mar 2026

The structure of compound P is

A.
CH3CH2CH2CH2 $-$ C $\equiv$ C $-$ H
B.
H3CH2C $-$ C $\equiv$ C $-$ CH2CH3
C.
IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English Option 3
D.
IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 37 English Option 4
2011 Q330 JEE Advanced MCQ
14 Mar 2026

The structure of the compound Q is

A.
IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Option 1
B.
IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Option 2
C.
IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Option 3
D.
IIT-JEE 2011 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Option 4
2010 Q331 JEE Mains MCQ
14 Mar 2026
One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44 u. The alkene is
A.
propene
B.
1–butene
C.
2–butene
D.
ethene
2010 Q332 JEE Advanced MCQ
14 Mar 2026
The compounds P and Q respectively are :
A.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 12 English Option 1
B.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 12 English Option 2
C.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 12 English Option 3
D.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 12 English Option 4
2010 Q333 JEE Advanced MCQ
14 Mar 2026
The compound R is :
A.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 11 English Option 1
B.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 11 English Option 2
C.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 11 English Option 3
D.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 11 English Option 4
2010 Q334 JEE Advanced MCQ
14 Mar 2026
The compound S is :
A.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 1
B.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 2
C.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 3
D.
IIT-JEE 2010 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 4
2010 Q335 JEE Advanced Numerical
14 Mar 2026

In the scheme given below, the total number of intra molecular aldol condensation products formed from Y is ____________.

IIT-JEE 2010 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 34 English

2010 Q336 JEE Advanced Numerical
14 Mar 2026

Amongst the following, the total number of compounds soluble in aqueous NaOH is _________.

IIT-JEE 2010 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 33 English

2009 Q337 JEE Mains MCQ
14 Mar 2026
A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. The liquid was :
A.
CH3OH
B.
HCHO
C.
CH3CO CH3
D.
CH3COOH
2009 Q338 JEE Mains MCQ
14 Mar 2026
In Cannizzaro reaction given below
2PhCHO $\buildrel {\mathop {:OH}\limits^{\left( - \right)} } \over \longrightarrow $ PhCH2OH + $PhC\mathop O\limits^{..} $2(-)
the slowest step is :
A.
the transfer of hydride to the carbonyl group
B.
the abstraction of proton from the carboxylic group
C.
the attack of $:\mathop {OH}\limits^{( - )} $ at the carboxyl group
D.
the deprotonation of Ph CH2OH
2009 Q339 JEE Advanced MCQ
14 Mar 2026

Match each of the compounds given in Column I with the reaction(s), that they can undergo, given in Column II.

Column I Column II
(A) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 29 English 1 (P) Nucleophilic substitution
(B) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 29 English 2 (Q) Elimination
(C) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 29 English 3 (R) Nucleophilic addition
(D) IIT-JEE 2009 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 29 English 4 (S) Esterification with acetic anhydride
(T) Dehydrogenation

A.
(A)$\to$ (Q), (T); (B)$\to$(P), (Q), (T); (C)$\to$(P), (S); (D)$\to$(P)
B.
(A)$\to$(P), (T); (B)$\to$ (S), (T); (C)$\to$(R), (S); (D)$\to$(S)
C.
(A)$\to$(S), (Q), (T); (B)$\to$(P), (Q), (T); (C)$\to$(R), (S); (D)$\to$(T)
D.
(A)$\to$(P), (Q), (T); (B)$\to$(P), (S), (T); (C)$\to$(R), (S); (D)$\to$(P)
2009 Q340 JEE Advanced MCQ
14 Mar 2026

The structure of the carbonyl compound P is

A.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 1
B.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 2
C.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 3
D.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 4
2009 Q341 JEE Advanced MCQ
14 Mar 2026

The structures of the products Q and R, respectively, are

A.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 32 English Option 1
B.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 32 English Option 2
C.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 32 English Option 3
D.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 32 English Option 4
2009 Q342 JEE Advanced MCQ
14 Mar 2026

The structure of the product S is

A.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 1
B.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 2
C.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 3
D.
IIT-JEE 2009 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 30 English Option 4
2008 Q343 JEE Advanced MCQ
14 Mar 2026

In the following reaction sequence, the correct structure of E, F and G are :

IIT-JEE 2008 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 25 English

A.
IIT-JEE 2008 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 25 English Option 1
B.
IIT-JEE 2008 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 25 English Option 2
C.
IIT-JEE 2008 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 25 English Option 3
D.
IIT-JEE 2008 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 25 English Option 4
2008 Q344 JEE Advanced MCQ
14 Mar 2026

The structure of the product I is :

A.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 26 English Option 1
B.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 26 English Option 2
C.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 26 English Option 3
D.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 26 English Option 4
2008 Q345 JEE Advanced MCQ
14 Mar 2026

The structure of compounds J and K, respectively, are:

A.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 28 English Option 1
B.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 28 English Option 2
C.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 28 English Option 3
D.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 28 English Option 4
2008 Q346 JEE Advanced MCQ
14 Mar 2026

The structure of product L is :

A.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 24 English Option 1
B.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 24 English Option 2
C.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 24 English Option 3
D.
IIT-JEE 2008 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 24 English Option 4
2007 Q347 JEE Mains MCQ
14 Mar 2026
The compound formed as a result of oxidation of ethyl benzene by KMnO4 is :
A.
benzophenone
B.
acetophenone
C.
benzoic acid
D.
benzyl alcohol
2007 Q348 JEE Advanced MCQ
14 Mar 2026

Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound E on further treatment with aqueous KOH yields compound F. Compound F is :

A.
IIT-JEE 2007 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 22 English Option 1
B.
IIT-JEE 2007 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 22 English Option 2
C.
IIT-JEE 2007 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 22 English Option 3
D.
IIT-JEE 2007 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 22 English Option 4
2007 Q349 JEE Advanced MCQ
14 Mar 2026

Match the compounds/ions in Column I with their properties/reactions in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 $\times$ 4 matrix given in the ORS.

Column I Column II
(A) $\mathrm{C_6H_5CHO}$ (P) gives precipitate with 2, 4-dinitrophenylhydrazine
(B) $\mathrm{CH_3C\equiv CH}$ (Q) gives precipitate with $\mathrm{AgNO_3}$
(C) $\mathrm{CN^-}$ (R) is a nucleophile
(D) $\mathrm{I^-}$ (S) is involved in cyanohydrin formation

A.
$\mathrm{A-(p,s);B-(q);C-(r,s);D-(q)}$
B.
$\mathrm{A-(p,s);B-(q);C-(q,r,s);D-(q,r)}$
C.
$\mathrm{A-(s);B-(q);C-(q,r,s);D-(q)}$
D.
$\mathrm{A-(p);B-(q);C-(s);D-(r)}$
2007 Q350 JEE Advanced MCQ
14 Mar 2026

Statement 1 : p-Hydroxybenzoic acid has a lower boiling point than o-hydroxybenzoic acid.

Statement 2 : o-Hydroxybenzoic acid has intramolecular hydrogen bonding.

A.
Statement 1 is True, Statement 2 is True, Statement 2 is a CORRECT explanation for Statement 1
B.
Statement 1 is True, Statement 2 is True, Statement 2 is NOT a CORRECT explanation for Statement 1
C.
Statement 1 is True, Statement 2 is False
D.
Statement 1 is False, Statement 2 is True