Thank you for reporting, we will resolve it shortly
Q.
The conversion of phenyl glyoxal $\left( C _{6} H _{5} COCHO \right)$ to $C _{6} H _{5} CHOHCOONa$ is an example of
Aldehydes Ketones and Carboxylic Acids
Solution:
When two groups are present in a single molecule then in presence of base one of the groups undergoes oxidation and another undergoes reduction, this is known as internal crossed Cannizzaro reaction.