1
JEE Main 2023 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
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In a reaction,

JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 47 English

reagents 'X' and 'Y' respectively are :

A
$$\mathrm{CH}_{3} \mathrm{OH} / \mathrm{H}^{+}, \Delta$$ and $$\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O} / \mathrm{H}^{+}$$
B
$$\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O} / \mathrm{H}^{+}$$ and $$\mathrm{CH}_{3} \mathrm{OH} / \mathrm{H}^{+}, \Delta$$
C
$$\mathrm{CH}_{3} \mathrm{OH} / \mathrm{H}^{+}, \Delta$$ and $$\mathrm{CH}_{3} \mathrm{OH} / \mathrm{H}^{+}, \Delta$$
D
$$\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O} / \mathrm{H}^{+}$$ and $$\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O} / \mathrm{H}^{+}$$
2
JEE Main 2023 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The structures of major products A, B and C in the following reaction are sequence.

JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 46 English

A
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 46 English Option 1
B
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 46 English Option 2
C
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 46 English Option 3
D
JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 46 English Option 4
3
JEE Main 2023 (Online) 31st January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Cyclohexylamine when treated with nitrous acid yields $(\mathrm{P})$. On treating $(\mathrm{P})$ with $\mathrm{PCC}$ results in (Q). When $(\mathrm{Q})$ is heated with dil. $\mathrm{NaOH}$ we get $(\mathrm{R})$ The final product (R) is :
A
JEE Main 2023 (Online) 31st January Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 1
B
JEE Main 2023 (Online) 31st January Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 2
C
JEE Main 2023 (Online) 31st January Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 3
D
JEE Main 2023 (Online) 31st January Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 45 English Option 4
4
JEE Main 2023 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Consider the following reaction

JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 42 English

The correct statement for product B is. It is

A
racemic mixture and is neutral
B
optically active and adds one mole of bromine
C
racemic mixture and gives a gas with saturated $$\mathrm{NaHCO}_{3}$$ solution
D
optically active alcohol and is neutral
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