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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 as source of nitrogen is

A
Sodium amide,NaNH2
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B
Potassium cyanide, KCN
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C
Potassium phthalimide, C6H4(CO)2NK+
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D
Sodium azide, NaN3
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Solution

The correct option is B Potassium cyanide, KCN
Analyzing the options

Option (A):
Reaction of Alkyl halide with sodium amide


Option (B):

Reaction of Alkyl halide with sodium azide


Option (C):
Preparation of 1° amine from alkyl halide:



So, the reagent used for the preparation of a 1 amine from an alkyl halide with simultaneous addition of one CH2 group in the carbon chain is potassium cyanide, KCN.


Option (D):
This reaction is known as Gabriel Phthalimide synthesis.





Hence, the correct answer is option (C)

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