" Number of optically active isomer is/are: "

A compound contains 2 dissimilar asymmetric carbon atoms. The number of optically active isomers is:

A compound contains 2 dissimilars asymmetric carbon atoms. The number of optically active isomers is

The number of optically active isomer observed in 2,3 -dichlorobutane is

The number of optically active isomers possible for CH_(3)underset(OH) underset(|)CH-underset(OH)underset(|)CH-underset(OH)underset(|)CHCH_(3) is

The number of optically active isomer possible for CH_(3)-underset(OH)underset(|)(CH)-underset(OH)underset(|)(CH)-underset(OH)underset(|)(CH)-CH_(2)OH is

The number of optically active isomers of the compound C_(7)H_(16) are :

If "A" is total number of meso compounds and "B" is total number of optically active isomers, then find (A+B) for