Q.
Consider the following reaction $\xrightarrow[pd-BaSO_4] {H_2}'A'$
The product 'A' is -
AIPMTAIPMT 2012Aldehydes Ketones and Carboxylic Acids
Solution:
In Rosenmund reaction, acid chloride reacts with $H_2$ in the presence of $Pd/BaSO_4$ to yield aldehyde.
