Q.
In this reaction,
$CH _{3} CHO + HCN \rightarrow CH _{3} CH ( OH ) CN\xrightarrow{\text { H.OH }} CH _{3} CH ( OH ) COOH$
an asymmetric centre is generated. The acid obtained would be
AIPMTAIPMT 2003Aldehydes Ketones and Carboxylic Acids
Solution:
Lactic acid obtained in the given reaction is an optically active compound due to the presence of chiral $C$-atom. It exits as d and $1$-forms whose ratio is $1 : 1.$