The Fischer projection of $D$-erythrose is shown below.
(image)
$D$-Erythrose and its isomers are listed as $P , Q , R$, and $S$ in Column-$I$. Choose the correct relationship of $P , Q , R$, and $S$ with D-erythrose from Column $II$.
(image)
$P \rightarrow 2, Q \rightarrow 3, R \rightarrow 2, S \rightarrow 2$
$P \rightarrow 3, Q \rightarrow 1, R \rightarrow 1, S \rightarrow 2$
$P \rightarrow 2, Q \rightarrow 1, R \rightarrow 1, S \rightarrow 3$
$P \rightarrow 2, Q \rightarrow 3, R \rightarrow 3, S \rightarrow 1$
Which of the following having plane of symmetry ?
Total number of stereo isomers possible by given compound is
Which of the following is the enantiomer of the compound shown below ?
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 $2$
Which of the following is optically active