Total number of stereo isomers possible for the given structure:
$Image$
$8$
$2$
$4$
$3$
Rotation of plane polarised light is measured by
Total number of stereoisomers of the compound $1$ -bromo- $3$ -chlorocyclobutane is
Which one of the following is a diastereomer of $(R)-4$ -bromo-cis- $2$ -hexene ?
Amongst the following amino acids, the $(R)$ - enantiomer is represented by
Which of the following compounds is chiral?