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 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 ?
Answer» ANSWER :C