Question

Which of the following compounds is obtained on heating primary amine with chloroform and alcoholic potassium hydroxide?

Options

• Amide

• Alkyl isocyanide

• Alkyl cyanide

• Alkene

Answer 1

Alkyl isocyanide

Explanation:

\[\ce{CH3NH2 + CHCl3 + \underset{\text{(alc.)}}{2KOH} ->[\Delta] \underset{(foul smelling)}{CH3NC} + 3KCl + 3H2O}\]

It is carbylamine test given only by 1° amines but not by 2° and 3° amines.