Among the following which one can have a meso form?
$CH_3CH(OH)CH(Cl)C_2H_5$
$CH_3CH(OH)CH(OH)CH_3$
$C_2H_5CH(OH)CH(OH)CH_3$
$HOCH_2CH(Cl)CH_3$
STATEMENT-$1$: Molecules that are not superimposable on their mirror images are chiral because
STATEMENT-$2$: All chiral molecules have chiral centres.
An enantiomerically pure acid is treated with racemic mixture of an alcohol having one chiral carbon. The ester formed will be
$2$-chlorobutane $+\mathrm{Cl}_2 \rightarrow \mathrm{C}_4 \mathrm{H}_8 \mathrm{Cl}_2$ (isomers)
Total number of optically active isomers shown by $\mathrm{C}_4 \mathrm{H}_8 \mathrm{Cl}_2$, obtained in the above reaction is......................
Which of the following compounds which is an optically active compound