Aromatic HydrocarbonsHard

Question

Identify the correct statements :

The presence of $- {NO}_{2}$ group in benzene ring

A. activates the ring towards electrophilic substitutions.

B. deactivates the ring towards electrophilic substitutions.

C. activates the ring towards nucleophilic substitutions.

D. deactivates the ring towards nucleophilic substitutions.

Options

A.B and D Only
B.C and A Only
C.A and D Only
D.B and C Only

Solution

Presence of ${NO}_{2}$ group in Benzene ring deactivate ring towards electrophilic substitution reaction due to -M effective & activate ring towards nucleophilic substitution.

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