MHT CET202611 April 2026Morning ShiftChemistryAminesActual
Which of following amines exhibits carbylamine test?
Options
- ATertiary amine
- BSecondary amine
- CPrimary amine
- DBoth Secondary and Tertiary amine
Correct answer
C. Primary amine
Step-by-step solution
The carbylamine test is a characteristic test for primary amines. When a primary amine is heated with chloroform and alcoholic potassium hydroxide, it forms an isocyanide (carbylamine) which has a characteristic foul smell. The reaction is given by: R-NH₂ + CHCl₃ + 3KOH R-NC + 3KCl + 3H₂O Secondary and tertiary amines do not give this test. Answer: Primary amine