Benzene is treated with oleum to produce compound $(\mathrm{X})$ which when further heated with molten sodium hydroxide followed by acidification produces compound $(\mathrm{Y})$. The compound Y is treated with zinc metal to produce compound $(Z)$. Identify the structure of compound $(Z)$ from the following option.

$$ \text { The least acidic compound, among the following is: } $$

Which one of the following, with HBr will give a phenol?

Given below are two statements :

Statement I :

Statement II : In , intramolecular substitution takes place first by involving lone pair of electrons on nitrogen.

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