MCQ
An aqueous solution containing compounds $A$ and $B$ shows optical activity. $A$ and $B$ are stereoisomers. Which of the following possibilities cannot be correct ?
- ✓$A$ has two chiral centers, but $B$ does not have any because it has a symmetry plane
- B$A$ and $B$ are enantiomers
- C$A$ and $B$ are diastereomers
- D$A$ and $B$ are not present in equal amounts
