question_answer

p-cresol reacts with chloroform in alkaline medium to give a compound A which adds hydrogen   cyanide   to   form  another compound B. This latter on acidic hydrolysis gives chiral carboxylic acid. The structure of the carboxylic acid is

A)  

B)  

C)  

D)  

Correct Answer: C

Solution :

(\[-OH\] is more activating than \[-C{{H}_{3}}\] in o, p-directing, thus, ?CHO goes to ortho w.r.t. \[-OH\]).