Question

Which of the following reacts with both acetaldehyde and acetone?

• A. F.S
• B. $CH_{3}MgBr$
• C. T.R
• D. Benedict solution

Answer 1

Answer: (B)

$CH_{3}MgBr$

Answer 2

Grignard's reagent reacts with aldehydes and ketones both. Aldehydes give secondary alcohol (formaldehyde gives $1^{\circ}$ alcohol) while ketones give tertiary alcohols with Grignard's reagent. e.g.,