Question

Compounds having general formula
is called:

• A. diesters
• B. acid anhydrides
• C. hemiacetals
• D. acetals

Answer 1

The correct option is D acetals

Aldehydes reacts with one equivalent of monohydric alcohol in the presence of dry hydrogen chloride to yield alkoxyalcohol intermediate, known as $\underset{–}{\text{hemiacetals}},$ which further reacts with one more molecule of alcohol to give a gem-dialkoxy compound known as $\underset{–}{\text{acetal}}$.

So, the correct option is (d).