In the reaction $C{H_3}CHO + HCN \to C{H_3}CH(OH)CN$ a chiral centre is produced. This product would be
Laevo rotatory
Meso compound
Dextro rotatory
Racemic mixture
Among the following, the optically inactive compound is
Allegra, a common prescription drug with the structure shown below, is given for the treatment of seasonal allergies. How many stereogenic carbon does Allegra possess ?
How many stereoisomers possible for
Which of the following compound is optically active?
Of the following, the compound possessing optical isomerism