How will you convert
(i) Benzene into aniline (ii) Benzene into N, N-dimethylaniline
`Cl-(CH_(2))_(4)`- Cl into hexane- 1,6- diamine ?

Explanation

To convert the given compounds as per the question, we will follow a systematic approach for each conversion.

### (i) Conversion of Benzene into Aniline

1. **Nitration of Benzene**:
- Treat benzene with concentrated nitric acid (HNO3) in the presence of concentrated sulfuric acid (H2SO4).
- This reaction introduces a nitro group (-NO2) to the benzene ring, forming nitrobenzene.

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