JEE Main Chemistry question

KCN reacts readily to give a cyanide with [J & K CET 2005]

(A)Ethyl alcohol
(B)Ethyl bromideCorrect
(C)Bromobenzene
(D)Chlorobenzene

Answer: (B)

Solution

Potassium cyanide reacts with alkyl halides by a facile substitution to give alkyl cyanides: C_2H_5Br + KCN \rightarrow C_2H_5CN + KBr. It does not react with an

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Question ID VK-150208