Carbylamine test is performed in alcoholic KOH by heating a mixture of

Question

Carbylamine test is performed in alcoholic $\mathrm{KOH}$ by heating a mixture of

(A) chloroform and silver powder

(B) trihalogenated methane and a primary amine

(C) an alkyl halide and a primary amine

(D) an alkyl cyanide and a primary amine.

Answer 1

The correct option is (B) : Trihalogenated methane $\left(\mathrm{CHX}_3\right)$ and a primary amine, i.e.;

$\mathrm{CHX} X_3+R_2 \mathrm{NH}_2+3 \mathrm{KOH} \rightarrow R \mathrm{NC}+3 \mathrm{KX}+3 \mathrm{H}_2 \mathrm{O}$