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(A) p-O(2)N-C(6)H(4)COCH(3) is prepared ...

(A) `p-O_(2)N-C_(6)H_(4)COCH_(3)` is prepared by Friedel Crafts acylation of nitrobenzene.
(R) Nitrobenzene easily undergoes electrophilic substitution reaction.

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The correct Answer is:
D
The nitro group strongly deactivates the beznene ring towards electrophilic substitution.
Nitrobenzene does not undergo Friedel-Craft acelation reaction.
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