MHT CET202616 April 2026Evening ShiftChemistryHaloalkanes and HaloarenesActual
What is the product P obtained in following reaction? CH ₃ CH ₂ Br + AgCN _ (alc) P
Options
- ACH ₃ CH ₂ NC
- BCH ₃ CH ₂ CN
- CCH ₃ CH ₂ CONH ₂
- DCH ₃ CH ₂ NH ₂
Correct answer
A. CH ₃ CH ₂ NC
Step-by-step solution
AgCN is predominantly a covalent compound. The bond between Ag and C is covalent, which leaves the lone pair of electrons on the nitrogen atom available for nucleophilic attack. When an alkyl halide such as CH ₃ CH ₂ Br reacts with alcoholic AgCN , the nucleophilic attack occurs through the nitrogen atom rather than the carbon atom. This results in the formation of an alkyl isocyanide as the major product. CH ₃ CH ₂ Br + AgCN _ (alc) CH ₃ CH ₂ NC + AgBr The product P is ethyl isocyanide, CH ₃ CH ₂ NC .