MCQ
Given below are two statements :

Statement $I$: Nitration of benzene involves the following step -

(Image)

Statement $II$: Use of Lewis base promotes the electrophilic substitution of benzene.

In the light of the above statements, choose the most appropriate answer from the options given below:

  • A
    Both Statement $I$ and Statement $II$ are incorrect
  • Statement $I$ is correct but Statement $II$ is incorrect
  • C
    Both Statement $I$ and Statement $II$ are correct
  • D
    Statement $I$ is incorrect but Statement $II$ is correct

Answer

Correct option: B.
Statement $I$ is correct but Statement $II$ is incorrect
b
In nitration of benzene concentrated $\mathrm{H}_2 \mathrm{SO}_4$ and $\mathrm{HNO}_3$ is used as reagent which generates electrophile $\mathrm{NO}_2$ in following steps:

(Image)

Lewis acids can promote the formation of electrophiles not Lewis base

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