Question

In order to prepare a 1° amine from an alkyl halide with simultaneous addition of one CH₂ group in the carbon chain, the reagent used a source of nitrogen is:

(a) Sodium amide, NaNH₂
(b) Sodium azide, NaN₃
(c) Potassium cyanide, KCN
(d) Potassium phthalimide C₆H₄(CO₂) N^–K^–

Answer 1

(c) Potassium cyanide, KCN

Cyanides on reduction gives 1: amines with a CH₂ group