Aromatic HydrocarbonsHardBloom L2

Question

Presence of a nitro group in a benzene ring

Options

A.activates the ring towards electrophilic substitution
B.renders the ring basic
C.deactivates the ring towards nucleophilic substitution
D.deactivates the ring towards electrophilic substitution

Solution

- NO2 group shows - M effect, so withdraws the electron density from the ring and hence deactivate the ring towards electrophilic aromatic substitution.
Hence, (4) is correct.

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