In order to prepare a `1^(@)` amine from an alkyl halide with simultaneous addition of one `CH_(2)` group in the carbon chain, the reagent used as source of nitrogen is…..

Options

A. Sodium amide, `NaNH_(2)`
B. Sodium azide `NaN_(3)`
C. Potassium cyanide, KCN
D. Potassium phthalimide `C_(6)H_(4) (CO)_(2) N^(-) K^(+)`

Answer

C

Explanation

In order to prepare `1^(@)` amine from an alkyl halide with simultaneous addition of one `CH_(2)` group in the carbon chain. The reagent used as a source of nitrogen is KCN. Chemical transformation can be shown as