Phenol with Hinsberg's reagent gives

Given below are two statements:
Statement $I$: Bromination of phenol in solvent with low polarity such as $CHCl_3$ or $CS_2$ requires Lewis acid catalyst.
Statement $II$: The Lewis acid catalyst polarises the bromine to generate $Br^{+}$.
In the light of the above statements,choose the correct answer from the options given below:

What are $X$ and $Y$ respectively in the following set of reactions?

In the following reaction,the main product will be:

The major product in the following reaction is:

Carbolic acid is