question_answer

Reaction by which benzaldehyde cannot be prepared is

A)

B)

C)

D)

Correct Answer: D

Solution :

The product obtained from the reactions given in options are as follows:

[a]

This reaction is known as Etard reaction.

[b]

This reaction is known as Rosemnund reduction.

[c]

This reaction is known as

Gattermann-Koch aldehyde synthesis.

[d]

Thus, benzaldehyde cannot be prepared from the reagents given in option [d].