1
JEE Advanced 2023 Paper 1 Online
MCQ (More than One Correct Answer)
+4
-2
Change Language
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 3 English 1JEE Advanced 2023 Paper 1 Online Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 3 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.
2
JEE Advanced 2022 Paper 1 Online
MCQ (More than One Correct Answer)
+4
-2
Change Language

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 14 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 $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}$.
3
JEE Advanced 2020 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
Consider the following transformations of a compound P.

JEE Advanced 2020 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English

Choose the correct option(s).
A
P is

JEE Advanced 2020 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 1
B
X is Pd-C/quinoline/H2
C
P is

JEE Advanced 2020 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 3
D
R is

JEE Advanced 2020 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 4
4
JEE Advanced 2019 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-1
Change Language
Choose the correct option(s) for the following reaction sequence

JEE Advanced 2019 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 51 English
Consider Q, R and S as major products.
A
JEE Advanced 2019 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 51 English Option 1
B
JEE Advanced 2019 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 51 English Option 2
C
JEE Advanced 2019 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 51 English Option 3
D
JEE Advanced 2019 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 51 English Option 4
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