question_answer

Which of the following reacts with both acetaldehyde and acetone?

A)  F.S         

B)  \[C{{H}_{3}}MgBr\]

C)  T.R         

D)  Benedict solution

Correct Answer: B

Solution :

Grignards reagent reacts with aldehydes and ketones both. Aldehydes give secondary alcohol (formaldehyde gives \[{{1}^{o}}\] alcohol) while ketones give tertiary alcohols with Grignards reagent, e.g.,