Which of the following compound is optically active?
$\begin{array}{*{20}{c}}
{C{H_3} - CH - COOH}\\
{|\,\,\,\,\,\,\,\,\,\,}\\
{OH\,\,\,\,\,\,\,}
\end{array}$
$CH_3-CH=CH-CH_3$
Number of chiral center present in given compound are
Which of the following molecules has axis of symmetry and a coaxial plane of symmetry ?
The correct statement$(s)$ about the compound $\mathrm{H}_3 \mathrm{C}(\mathrm{HO}) \mathrm{HC}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}(\mathrm{OH}) \mathrm{CH}_3(\mathbf{X})$ is(are)
$(A)$ The total number of stereoisomers possible for ${X}$ is $6$
$(B)$ The total number of diastereomers possible for ${X}$ is $3$
$(C)$ If the stereochemistry about the double bond in ${X}$ is trans, the number of enantiomers possible for ${X}$ is $4$
$(D)$ If the stereochemistry about the double bond in ${X}$ is cis, the number of enantiomers possible for ${X}$ is $2$
The maximum number of stereoisomers possible for 2-hydroxy- 2-methyl butanoic acid is
Which of the following optically active compound has maximum number of chiral carbons