Comment on stereochemistry of products :

Options

A. diastereomers
B. racemic
C. single stereoisomer
D. meso

Answer

A

Explanation

attack of Nucleophilic on `sp^(2)` carbon.

Two chiral carbons in the products. Configuration of one carbon is fixed.
Attack on the carbonyl carbon can be from two sides. Hence products obtained will be diasteromers.