Total number of substituent present in the above compound
$1$
$2$
$3$
$4$
Which is optically active
Which one of the following is an optically active compound
Out of the following, the alkene that exhibits optical isomerism is
Among the following which one can have a meso form?
The number of possible isomers of the compound with molecular formula ${C_7}{H_8}O$ is