Benzene and Alkyl Benzene - Result Question 46
####50. Give reasons in two or three sentences only for the following: Phenyl group is known to exert negative inductive effect, but each phenyl ring in biphenyl $\left(C _6 H _5-C _6 H _5\right)$ is more reactive than benzene towards electrophilic substitution.
(1992, 1M)
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Solution:
The above resonance activate an aromatic ring for electrophilic substitution reaction.
