Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Amines

Question:

Aliphatic and aromatic primary amines on heating with chloroform and ethanolic KOH form isocyanides. Identify the name of the reaction.

Options:

Gabriel Phthalimide reaction

Hoffmann bromamide degradation reaction

Carbylamine reaction

Sandmeyer reaction

Correct Answer:

Carbylamine reaction

Explanation:

Carbylamine reaction

Aliphatic and aromatic primary amines on heating with chloroform and ethanolic potassium hydroxide form isocyanides or carbylamine's which are foul smelling substances. Secondary and tertiary amines do not show this reaction. This reaction is known as carbylamine reaction or isocyanide test and is used as a test for primary amines.