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BITSAT 2023Paper 2

Exam: BITSAT
Year: 2023
Paper: Paper 2
Subject: Chemistry
Chapter: Amines

BITSAT 2023 · Paper 2 · Chemistry · Amines

Primary amines can be distinguished from secondary and tertiary...

Primary amines can be distinguished from secondary and tertiary amines by reacting with

Options

A
Chloroform and alcoholic $\mathrm{KOH}$
B
Methyl iodide
C
Chloroform alone
D
Zinc Dust

Correct answer

A.
Chloroform and alcoholic $\mathrm{KOH}$

Step-by-step solution

1^{{}^{\circ}}

amines (aliphatic and aromatic) react with

\mathrm{CHCl}_3 / \mathrm{KOH}

to yield isocyanide (foul smelling) This is known as carbylamine test which is not given by

2^{{}^{\circ}}

and

3^{{}^{\circ}}

amines.

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