A carbonyl compound reacts with hydrogen cyanide to form cyanbhydrin which on hydrolysis forms a racemic mixture of a\[\alpha -\]ydroxy acid. The carbonyl compound is
A) acetaldehyde
B) acetone
C) diethyl ketone
D) formaldehyde
Correct Answer:
A
Solution :
If it is racemic mixture, therefore such 'C' atom must be asymmetric carbon atom. [a] [b] [c] [d]