Question

benzaldehyde is used in preparation of
a- perfumes
b- benzoic acid
c- malachite green dye
d- all of these

Answer 1

Benzaldehyde is an aromatic aldehyde used in cosmetics as a denaturant, a flavoring agent, and as a fragrance.

also, Malachite green is prepared by the condensation of benzaldehyde and dimethylaniline

As benzaldehyde posses a benzene ring it facilitates electrophilic substitution reaction.

SO.YOUR ANSWER IS (D)ALL OF THESE