Question

Which reaction, intermediate is formed during the condensation reaction between acetaldehyde and formaldehyde?

A

B

C

D

Medium

Solution

verified
Verified by Toppr
Correct option is A)

The - hydrogen atoms of acetaldehyde due to effect of group is slightly acidic in nature. During the crossed aldol condensation between formaldehyde and acetaldehyde, in the first step, ion (from the base added) abstracts one of these acidic -hydrogens to form carboanion or enolate ion which is stabilized by resonance.

solution
expand
Solve any question of Aldehydes, Ketones, and Carboxylic Acids with:-

Was this answer helpful?

upvote 0
downvote0