Total number of stereoisomers of the compound $1, 4$ -dichlorocyclohexane is
$0$
$1$
$2$
$4$
Meso-tartaric acid is
Total number of isomeric compounds (including stereoisomers) formed by monochlorination of $2-$methylbutane is................
Glucose has optical isomers
Calculate enantiomeric excees of mixture containing $6g$ of $( +) - 2$ -butanol and $4g$ of $(-) - 2$ -butanol........$\%$
Stereoisomer possible for following compound