Question

The reaction of HCN with aldehydes, is an example of:

• A. nucleophilic substitution
• B. electrophilic addition
• C. nucleophilic addition
• D. free-radical addition

Answer 1

Answer: (C)

nucleophilic addition

Answer 2

The reaction of carbonyl compounds with $HCl,$ follows nucleophilic addition mechanism. (A base is used to produce $C{{N}^{-}}$ from $HCN$ )