question_answer

An organic compound will show optical isomerism if

A)  Four groups attached to C atom are different

B)  Three groups attached to C atom are different

C)  Two groups attached to C atom are different

D)  All the groups attached to C atom are same

Correct Answer: A

Solution :

Optical isomerism in an organic compound is arised only when it has at least one asymmetric carbon . A carbon atom having all its four valencies attached to four different groups or atoms.