How many meso isomers of $C_4H_8Cl_2$ will be ?
$0$
$1$
$2$
$3$
$2$-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......................
$d$ -tartaric acid and meso tartaric acid are
The property by virtue of which a compound can turn the plane polarised light is known as
Total number of secondary amines (Excluding stereo isomer) possible with the molecular formula $C_5H_{13}N$ is
Which of the following structure represent meso-compound ?