Aldehydes, Ketones and Carboxylic Acids

16 Questions MSQ (Multiple Correct)
2026 JEE Advanced MSQ
JEE Advanced 2026 Paper 1 Online

In the following reaction sequence, Q, R, S and T are the major products.

JEE Advanced 2026 Paper 1 Online Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 4 English

The correct statement(s) about Q, R, S and T is(are) :

A.

S on warming with ammoniacal AgNO3 results in the formation of silver mirror.

B.

Q on treatment with Cl2(excess)/UV gives gammaxane.

C.

T is a heterocyclic compound.

D.

R on acid catalyzed intramolecular cyclization followed by treatment with Zn-Hg/HCl gives 9,10-dihydroxyanthracene.

2025 JEE Mains MSQ
JEE Main 2025 (Online) 28th January Morning Shift

A molecule ("P") on treatment with acid undergoes rearrangement and gives ("Q"). ("Q") on ozonolysis followed by reflux under alkaline condition gives (" $R$ "). The structure of (" $R$ ") is given below.

JEE Main 2025 (Online) 28th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English

The structure of ("P") is

A.
JEE Main 2025 (Online) 28th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Option 1
B.
JEE Main 2025 (Online) 28th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Option 2
C.
JEE Main 2025 (Online) 28th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Option 3
D.
JEE Main 2025 (Online) 28th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Option 4
2023 JEE Advanced MSQ
JEE Advanced 2023 Paper 2 Online
In the following reactions, $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ are the major products.

JEE Advanced 2023 Paper 2 Online Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 20 English 1
JEE Advanced 2023 Paper 2 Online Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 20 English 2
The correct statement(s) about $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ is(are) :
A.
$\mathbf{P}$ and $\mathbf{Q}$ are monomers of polymers dacron and glyptal, respectively.
B.
$\mathbf{P}, \mathbf{Q}$, and $\mathbf{R}$ are dicarboxylic acids.
C.
Compounds $\mathbf{Q}$ and $\mathbf{R}$ are the same.
D.
$\mathbf{R}$ does not undergo aldol condensation and $\mathbf{S}$ does not undergo Cannizzaro reaction.
2023 JEE Advanced MSQ
JEE Advanced 2023 Paper 1 Online
In the following reactions, $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ are the major products.

JEE Advanced 2023 Paper 1 Online Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 21 English 1JEE Advanced 2023 Paper 1 Online Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 21 English 2
The correct statement(s) about $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ is(are) :
A.
Both $\mathbf{P}$ and $\mathbf{Q}$ have asymmetric carbon(s).
B.
Both $\mathbf{Q}$ and $\mathbf{R}$ have asymmetric carbon(s).
C.
Both $\mathbf{P}$ and $\mathbf{R}$ have asymmetric carbon(s).
D.
$\mathbf{P}$ has asymmetric carbon(s), $\mathbf{S}$ does not have any asymmetric carbon.
2022 JEE Advanced MSQ
JEE Advanced 2022 Paper 1 Online

Considering the reaction sequence given below, the correct statement(s) is(are)

JEE Advanced 2022 Paper 1 Online Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 35 English

A.
$\mathbf{P}$ can be reduced to a primary alcohol using $\mathrm{NaBH}_{4}$.
B.
Treating $\mathbf{P}$ with conc. $\mathrm{NH}_{4} \mathrm{OH}$ solution followed by acidification gives $\mathbf{Q}$.
C.
Treating $\mathbf{Q}$ with a solution of $\mathrm{NaNO}_{2}$ in aq. $\mathrm{HCl}$ liberates $\mathrm{N}_{2}$.
D.
$\mathbf{P}$ is more acidic than $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}$.
2020 JEE Mains MSQ
JEE Main 2020 (Online) 3rd September Morning Slot
An organic compound [A], molecular formula C10H20O2 was hydrolyzed with dilute sulphuric acid to give a carboxylic acid [B] and an alcohol [C]. Oxidation of [C] with
CrO3 - H2SO4 produced [B]. Which of the following strucutres are not possible for [A]?
A.
(CH3)3 – C – COOCH2C(CH3)3
B.
CH3CH2CH2COOCH2CH2CH2CH3
C.
JEE Main 2020 (Online) 3rd September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 195 English Option 3
D.
JEE Main 2020 (Online) 3rd September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 195 English Option 4
2020 JEE Advanced MSQ
JEE Advanced 2020 Paper 1 Offline
In the reaction scheme shown below Q, R and S are the major products.

JEE Advanced 2020 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 65 English

The correct structure of
A.
S is

JEE Advanced 2020 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 65 English Option 1
B.
Q is

JEE Advanced 2020 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 65 English Option 2
C.
R is

JEE Advanced 2020 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 65 English Option 3
D.
S is

JEE Advanced 2020 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 65 English Option 4
2019 JEE Advanced MSQ
JEE Advanced 2019 Paper 2 Offline
Choose the correct option(s) for the following reaction sequence

JEE Advanced 2019 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English
Consider Q, R and S as major products.
A.
JEE Advanced 2019 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 1
B.
JEE Advanced 2019 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 2
C.
JEE Advanced 2019 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 3
D.
JEE Advanced 2019 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 4
2018 JEE Advanced MSQ
JEE Advanced 2018 Paper 1 Offline
The reaction (s) leading to the formation of $1,3,5$-trimethylbenzene is (are)
A.
JEE Advanced 2018 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 82 English Option 1
B.
JEE Advanced 2018 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 82 English Option 2
C.
JEE Advanced 2018 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 82 English Option 3
D.
JEE Advanced 2018 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 82 English Option 4
2017 JEE Advanced MSQ
JEE Advanced 2017 Paper 2 Offline
Compounds $P$ and $R$ upon ozonolysis produce $Q$ and $S,$ respectively. The molecular formula of $Q$ and $S$ is ${C_8}{H_8}O.Q$ undergoes Canninzzaro reaction but not haloform reaction, whereas $S$ undergoes haloform reaction but not Cannizzaro reaction

JEE Advanced 2017 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 72 English
The option(s) with suitable combination of $P$ and $R,$ respectively, is (are)
A.
JEE Advanced 2017 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 72 English Option 1
B.
JEE Advanced 2017 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 72 English Option 2
C.
JEE Advanced 2017 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 72 English Option 3
D.
JEE Advanced 2017 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 72 English Option 4
2016 JEE Advanced MSQ
JEE Advanced 2016 Paper 2 Offline

Reagent(s) which can be used to bring about the following transformation is(are)

JEE Advanced 2016 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 58 English

A.
LiAlH4 in (C2H5)2O
B.
BH3 in THF
C.
NaBH4 in C2H5OH
D.
Raney Ni/H2 in THF
2016 JEE Advanced MSQ
JEE Advanced 2016 Paper 1 Offline
Positive Tollen’s test is observed for
A.
JEE Advanced 2016 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 1
B.
JEE Advanced 2016 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 2
C.
JEE Advanced 2016 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 3
D.
JEE Advanced 2016 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 4
2016 JEE Advanced MSQ
JEE Advanced 2016 Paper 1 Offline

The correct statements about of the following reaction sequence is (are)

Cumene (C9H12) $\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{(ii)\,{H_3}{O^ + }}^{(i)\,{O_2}}} $ P $\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{}^{CHC{l_3}/NaOH}} $ Q (major) + R (minor)

Q $\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{PhC{H_2}Br}^{NaOH}} $ S

A.
R is steam volatile.
B.
Q gives dark violet coloration with 1% aqueous FeCl3 solution.
C.
S gives yellow precipitate with 2, 4-dinitrophenylhydrazine.
D.
S gives dark violet coloration with 1% aqueous FeCl3 solution.
2012 JEE Advanced MSQ
IIT-JEE 2012 Paper 2 Offline

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 JEE Advanced MSQ
IIT-JEE 2012 Paper 1 Offline

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 JEE Mains MSQ
AIEEE 2011
Silver Mirror test is given by which one of the following compounds ?
A.
Acetone
B.
Formaldehyde
C.
Benzophenone
D.
Acetaldehyde