A benzene ring deactivated by strong and moderate electron withdrawing group that is, any meta directing group, is not electron rich enough to undergo Friedel-Crafts ranctions. Friedel-Crafts reaction also do not occur with `HN_(2)` group as it react with `AICI_(3)` and produce deactivating group. Answer the following question : Which of the following cannot be starting for this compound `Ph-underset(O)underset(||)(C)-CH_(2)-Ph ?`A. B. C. D.

A benzene ring deactivated by strong and moderate electron withdrawing

1.	A benzene ring deactivated by strong and moderate electron withdrawing group that is, any meta directing group, is not electron rich enough to undergo Friedel-Crafts ranctions. Friedel-Crafts reaction also do not occur with `HN_(2)` group as it react with `AICI_(3)` and produce deactivating group. Answer the following question : Which of the following cannot be starting for this compound `Ph-underset(O)underset(\|\|)(C)-CH_(2)-Ph ?`A. B. C. D.
Answer» Correct Answer - c