Chemistry - Carbonyl compounds Question with Solution | TestHub

$\mathrm{Ag}({\mathrm{NH}}_3{)}_2^{+}{\mathrm{OH}}^{-}$ is called Tollens' reagent and it is a mild oxidizing reagent that oxidizes aldehyde groups to their respective acid and it gets reduced. It does not affect ketone group. While ${\mathrm{NaBH}}_4$ is a reducing agent which can reduce aldehyde or ketone group in alcohols but it does not reduce carboxylic acid.