. The reaction given by aldehydes and ketones is
(a). Reformatsky reaction.
(b). Wurtz reaction.
(c). Sandmeyer reaction.
(d). Rosenmund reaction.
Ans.(a), The aldehydes and ketones react with ?- bromoesters and metallic zinc in the presence of dry ether or benzene when an addition product is formed which can be decomposed in acidic medium to yield ?-hydroxyesters.