1
JEE Main 2025 (Online) 2nd April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

When a concentrated solution of sulphanilic acid and 1-naphthylamine is treated with nitrous acid $(273 \mathrm{~K})$ and acidified with acetic acid, the mass $(\mathrm{g})$ of 0.1 mole of product formed is :

(Given molar mass in $\mathrm{g} \mathrm{mol}^{-1} \mathrm{H}: 1, \mathrm{C}: 12, \mathrm{~N}: 14, \mathrm{O}: 16, \mathrm{~S}: 32$ )

A
330
B
33
C
343
D
66
2
JEE Main 2025 (Online) 2nd April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct order of basic nature in aqueous solution for the bases

$\mathrm{NH}_3, \mathrm{H}_2 \mathrm{~N}-\mathrm{NH}_2, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2,\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}$ and $\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{~N}$ is :

A
$\mathrm{NH}_3<\mathrm{H}_2 \mathrm{~N}-\mathrm{NH}_2<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{~N}<\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}$
B
$\mathrm{H}_2 \mathrm{~N}-\mathrm{NH}_2<\mathrm{NH}_3<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{~N}<\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}$
C
$\mathrm{NH}_2-\mathrm{NH}_2<\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{~N}<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}$
D
$\mathrm{NH}_3<\mathrm{H}_2 \mathrm{~N}-\mathrm{NH}_2<\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}<\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{~N}$
3
JEE Main 2025 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which one of the following reaction sequences will give an azo dye?

A
JEE Main 2025 (Online) 29th January Evening Shift Chemistry - Compounds Containing Nitrogen Question 22 English Option 1
B
JEE Main 2025 (Online) 29th January Evening Shift Chemistry - Compounds Containing Nitrogen Question 22 English Option 2
C
JEE Main 2025 (Online) 29th January Evening Shift Chemistry - Compounds Containing Nitrogen Question 22 English Option 3
D
JEE Main 2025 (Online) 29th January Evening Shift Chemistry - Compounds Containing Nitrogen Question 22 English Option 4
4
JEE Main 2025 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In the following substitution reaction :

JEE Main 2025 (Online) 29th January Morning Shift Chemistry - Compounds Containing Nitrogen Question 21 English

Product 'P' formed is :

A
JEE Main 2025 (Online) 29th January Morning Shift Chemistry - Compounds Containing Nitrogen Question 21 English Option 1
B
JEE Main 2025 (Online) 29th January Morning Shift Chemistry - Compounds Containing Nitrogen Question 21 English Option 2
C
JEE Main 2025 (Online) 29th January Morning Shift Chemistry - Compounds Containing Nitrogen Question 21 English Option 3
D
JEE Main 2025 (Online) 29th January Morning Shift Chemistry - Compounds Containing Nitrogen Question 21 English Option 4
JEE Main Subjects
EXAM MAP