example of which of the following reaction?
A) Nucleophilic substitution
B) Electrophilic substitution
C) Free radical addition
D) Free radical substitution
Correct Answer: B
Solution :
Replacement of H of benzene by any atom / group is called electrophilic substitution reaction. The electrophile in this reaction is \[C{{l}^{+}}.\] The\[C{{l}^{+}}\] is produced as a result of redox reaction.\[{{O}_{2}}+2C{{l}^{-}}+4{{H}^{+}}\to 2{{H}_{2}}O+2C{{l}^{+}}\]
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