Question

Identify the structure of [B] in following sequence of reactions.

• A.
• B.
• C.
• D.

Answer 1

The correct option is A

When 1 mol of Grignard reagent reacts with ester, ketone is produced. When ketone reacts with $NaB{H}_4$, $2^{\circ }$-alcohol is produced. Hence, the correct answer is option (a).