MHT CET 2022 Chemistry question

Which among the following compounds converts alkyl halides to nitro alkanes?

(A)Silver nitriteCorrect
(B)alc. Potassium cyanide
(C)alc. Silver cyanide
(D)Potassium nitrite

Answer: (A)

Solution

Nitrite ion is an ambidentate nucleophile. Silver nitrite is covalent in character, so the lone pair on nitrogen attacks the alkyl halide and gives nitroalkane: . Hence (A).

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Question ID VK-094415