A solution of optically active $1$ -phenylethanol racemizes in acidified aqueous medium. It is due to
enolization
carbonium ion formation
carbanion formation
reversible oxidation-reduction
How many isomers are possible for the following molecule ?
Which of the following cyclopentane derivative is optically inactive ?
The number of stereoisomers formed in a reaction of $(\pm) Ph ( C = O ) C ( OH )( CN ) Ph$ with $HCN$ is $..........$
Which is optically active