question_answer

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

A)  nucleophilic substitution

B)  electrophilic addition

C)  nucleophilic addition

D)  free-radical addition

Correct Answer: C

Solution :

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