Which of the following amine (s) show (s) positive carbylamine test? A. [aniline: benzene ring bearing $\mathrm{NH_2}$] B. $\mathrm{(CH_3)_2NH}$ C. $\mathrm{CH_3NH_2}$ D. $\mathrm{(CH_3)_3N}$ E. [N-methylaniline: benzene ring bearing NH-CH$_3$] Choose the correct answer from the options given below:

JEE Main 2025 · ChemistryMultiple choiceOtherEasyApplication

JEE Main 7 April 2025, Shift 1, Chemistry Q69

Question 69 of 75 in this shift, Chemistry question 19 of 25, Section A.

Which of the following amine (s) show (s) positive carbylamine test? A. [aniline: benzene ring bearing

\mathrm{NH_2}

] B.

\mathrm{(CH_3)_2NH}

\mathrm{CH_3NH_2}

\mathrm{(CH_3)_3N}

E. [N-methylaniline: benzene ring bearing NH-CH

_3

] Choose the correct answer from the options given below:

The figure, in words

Structures: A is aniline (benzene ring with NH2); E is N-methylaniline (benzene ring with NH-CH3).

(1)C Only
(2)B, C and D Only
(3)A and C OnlyOfficial answer
(4)A and E Only

Official answer

Option 3

NTA final key.

Chapter: Amines
Topic: Amines
Idea tested: Carbylamine Reaction

Same idea in other shifts

Asked 4× in all

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.