. In the preparation of a $1^{\circ}$-amine from an alkyl halide, with simultaneous addition of one…

. In the preparation of a $1^{\circ}$-amine from an alkyl halide, with simultaneous addition of one $-\mathrm{CH}_2$ group to the carbon chain, the reagent used as source of nitrogen is
  1. sodium amide, $\mathrm{NaNH}_2$
  2. sodium azide, $\mathrm{NaN}_3$
  3. potassium cyanide, $\mathrm{KCN}$
  4. potassium phthalimide, $\mathrm{C}_6 \mathrm{H}_4(\mathrm{CO})_2 \mathrm{~N}^{-} \mathrm{K}^{+}$

Solution

In order to prepare $1^{\circ}$ amine from an alkyl halide with simultaneous addition of one $\mathrm{CH}_2$ group in the carbon chain. The reagent used as a source of nitrogen is KCN. Chemical transformation can be shown as,

Asked in: AP EAMCET 2020 (22 Sep Shift 2)

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