1
JEE Main 2022 (Online) 28th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements: one is labelled as Assertion $$\mathbf{A}$$ and the other is labelled as Reason $$\mathbf{R}$$

Assertion A : Aniline on nitration yields ortho, meta & para nitro derivatives of aniline.

Reason $$\mathrm{R}$$ : Nitrating mixture is a strong acidic mixture.

In the light of the above statements, choose the correct answer from the options given below

A
Both A and R are true and R is the correct explanation of A
B
Both $$\mathrm{A}$$ and $$\mathrm{R}$$ are true but $$\mathrm{R}$$ is NOT the correct explanation of $$\mathrm{A}$$
C
A is true but R is false
D
A is false but R is true
2
JEE Main 2022 (Online) 28th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R

Assertion A : Thin layer chromatography is an adsorption chromatography.

Reason R : A thin layer of silica gel is spread over a glass plate of suitable size in thin layer chromatography which acts as an adsorbent.

In the light of the above statements, choose the correct answer from the options given below

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is NOT the correct explanation of A
C
A is true but R is false
D
A is false but R is true
3
JEE Main 2022 (Online) 28th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The formulas of A and B for the following reaction sequence

JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Biomolecules Question 70 English

are

A
$$\mathrm{A}=\mathrm{C}_{7} \mathrm{H}_{14} \mathrm{O}_{8}, \quad \mathrm{~B}=\mathrm{C}_{6} \mathrm{H}_{14}$$
B
$$\mathrm{A}=\mathrm{C}_{7} \mathrm{H}_{13} \mathrm{O}_{7}, \quad \mathrm{~B}=\mathrm{C}_{7} \mathrm{H}_{14} \mathrm{O}$$
C
$$\mathrm{A}=\mathrm{C}_{7} \mathrm{H}_{12} \mathrm{O}_{8}, \quad \mathrm{~B}=\mathrm{C}_{6} \mathrm{H}_{14}$$
D
$$\mathrm{A}=\mathrm{C}_{7} \mathrm{H}_{14} \mathrm{O}_{8}, \quad \mathrm{~B}=\mathrm{C}_{6} \mathrm{H}_{14} \mathrm{O}_{6}$$
4
JEE Main 2022 (Online) 28th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English

Find out the major product for the above reaction.

A
JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 1
B
JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 2
C
JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 3
D
JEE Main 2022 (Online) 28th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 4
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