Which are the starting materials for the preparation of

Which are the starting materials for the preparation of
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Which are the starting materials for the preparation of 

A.

B.

C.

D.

Any of the three

Please scroll down to see the correct answer and solution guide.

Right Answer is: C

SOLUTION

(a) Nitration is difficult to be carried out, further the NO2 group will go to m-position to the > C = 0 group
(b) Nitrobenzene, being deactivated toward electrophilic substitution will not undergo Friedal Craft reaction.
(c) Benzene easily undergoes Friedal craft reaction forming the required product.