Which of the following pair represent pair of diastereomers ?
Meso tartaric acid and $(l)$ tartaric acid
All of these
$R$ and $S$ configuration of compound $(A)$ & $(B)$ will be
Total number of stereoisomers of the compound $1$ -bromo- $3$ -chlorocyclobutane is
How are the following compounds related ?
The molecules represented by the above two structures are
Which of the following is expected to be optically active