Aldehydes, Ketones and Carboxylic Acids PYQs - Last 5 Years
JEE Advanced / Chemistry / Organic Chemistry / 17 recent questions
ChemistryOrganic Chemistry2022-2026
Practice 17 JEE Advanced Chemistry questions from Aldehydes, Ketones and Carboxylic Acids. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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2022-2026
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2022-2026
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Last 5 Years Aldehydes, Ketones and Carboxylic Acids Questions
Showing 17 of 17 filtered questions.
1Aldehydes Ketones And Carboxylic Acids
Natural rubber on complete ozonolysis $\left(\mathrm{O}_3 / \mathrm{Zn}-\mathrm{H}_2 \mathrm{O}\right)$ gives compound $\mathbf{X}$ as the major product. $\mathbf{X}$ gives positive iodoform and Tollen's tests. $\mathbf{X}$ on heating with ...
MCQ+3 / -12026
2Aldehydes Ketones And Carboxylic Acids
Match the major products obtained in the reactions given in List-I with the corresponding structures in List-II and choose the correct option.
List-I
List-II
(P)
...
List-I
List-II
(P)
...
MCQ+4 / -12026
3Aldehydes Ketones And Carboxylic Acids
The List-II contains products obtained from the reaction of compounds in List-I with $O_3$/Zn-$H_2O$ followed by cyclization (via more stable enolate) in the presence of aqueous NaOH. Match each entry in List-I with appropriate entry in Lis...
MCQ+4 / -12026
4Aldehydes Ketones And Carboxylic Acids
The sum of total number of carbonyl groups ($> {C}= {O}$) present in the major products X and Y in the following reactions is _____.
INTEGER+4 / -02026
5Aldehydes Ketones And Carboxylic Acids
In the following reaction sequence, Q, R, S and T are the major products.The correct statement(s) about Q, R, S and T is(are) :
MCQM+4 / -12026
6Aldehydes Ketones And Carboxylic Acids
Considering LiBH4 reduces an ester group to the corresponding alcohol and does not reduce a carboxylic acid group, the correct statement about the major products P, Q, R and S is:
MCQ+3 / -12026
7Aldehydes Ketones And Carboxylic Acids
Monocyclic compounds $\mathbf{P}, \mathbf{Q}, \mathbf{R}$ and $\mathbf{S}$ are the major products formed in the reaction sequences given below.
The product having the highest number of unsaturated carbon atom(s) is :
The product having the highest number of unsaturated carbon atom(s) is :
MCQ+3 / -12025
8Aldehydes Ketones And Carboxylic Acids
The molecular weight of $\mathbf{U}$ is ______ .
INTEGER+3 / -02024
9Aldehydes Ketones And Carboxylic Acids
Sum of number of oxygen atoms in $\mathbf{S}$ and $\mathbf{T}$ is _______.
INTEGER+3 / -02024
10Aldehydes Ketones And Carboxylic Acids
An organic compound $\mathbf{P}$ having molecular formula $\mathrm{C}_6 \mathrm{H}_6 \mathrm{O}_3$ gives ferric chloride test and does not have intramolecular hydrogen bond. The compound $\mathbf{P}$ reacts with 3 equivalents of $\mathrm{NH...
INTEGER+4 / -02024
11Aldehydes Ketones And Carboxylic Acids
In the following reaction sequence, the major product $\mathbf{Q}$ is
MCQ+3 / -12024
12Aldehydes Ketones And Carboxylic Acids
List-I contains various reaction sequences and List-II contains the possible products. Match each entry in List-I with the appropriate entry in List-II and choose the correct option.
table {
width: 100%;
b...
table {
width: 100%;
b...
MCQ+3 / -12024
13Aldehydes Ketones And Carboxylic Acids
Complete reaction of acetaldehyde with excess formaldehyde, upon heating with conc. $\mathrm{NaOH}$ solution, gives $\mathbf{P}$ and $\mathbf{Q}$. Compound $\mathbf{P}$ does not give Tollens' test, whereas $\mathbf{Q}$ on acidification give...
INTEGER+4 / -02024
14Aldehydes Ketones And Carboxylic Acids
In the following reactions, $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ are the major products.
The correct statement(s) about $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ is(are) :
The correct statement(s) about $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ is(are) :
MCQM+4 / -22023
15Aldehydes Ketones And Carboxylic Acids
The major products obtained from the reactions in List-II are the reactants for the named reactions mentioned in List-I. Match List-I with List-II and choose the correct option.
.tg {border-collapse:collapse;border-spacing:0;width:100%}
....
.tg {border-collapse:collapse;border-spacing:0;width:100%}
....
MCQ+3 / -12023
16Aldehydes Ketones And Carboxylic Acids
In the following reactions, $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ are the major products.
The correct statement(s) about $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ is(are) :
The correct statement(s) about $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ is(are) :
MCQM+4 / -22023
17Aldehydes Ketones And Carboxylic Acids
Considering the reaction sequence given below, the correct statement(s) is(are)
MCQM+4 / -22022