Conversion of Benzene into m-bromoiodobenzene

Explanation

To convert benzene into m-bromoiodobenzene, we can follow these steps:

### Step 1: Nitration of Benzene
- **Reaction**: Treat benzene (C6H6) with a mixture of concentrated nitric acid (HNO3) and dilute sulfuric acid (H2SO4).
- **Product**: This reaction introduces a nitro group (-NO2) to the benzene ring, resulting in nitrobenzene (C6H5NO2).

### Step 2: Bromination of Nitrobenzene
- **Reaction**: Treat nitrobenzene with bromine (Br2) in the presence of a Lewis acid catalyst, such as iron(III) bromide (FeBr3).
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