The structure of $(S)-2$ -fluorobutane is best represented by
$\begin{array}{*{20}{c}}
{F\,\,\,\,\,\,\,\,\,}\\
{|\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_3}CHC{H_2}C{H_3}}
\end{array}$
Which of the following statements best describes the stereochemical relationships of compound $I, II$ and $III$ shown below ?
Out of the following, the alkene that exhibits optical isomerism is
Which one of the following is an optically active compound
Which of the following molecules is/are chiral ?
Relationship between above pair $(A)$ & $(B)$ is