1. Tardigrade
  2. Question
  3. Chemistry
  4. 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 (C6H5- C6H5) is more reactive than benzene towards electrophilic substitution.

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Q. 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 $(C_6H_5- C_6H_5)$ is more reactive than benzene towards electrophilic substitution.

IIT JEEIIT JEE 1992

Solution:

The above resonance activate an aromatic ring for electrophilic substitution reaction.

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