Identify the product obtained when phenol reacts with concentrated sulphuric acid at $293 \ K$?

In the reaction shown below,$Y$ is:

The correct order of boiling point for the given compounds is:

The $pK_{a}$ values of $X, Y, Z$ respectively are $8.3, 7.1, 10.2$. What are $X, Y, Z$?

The given reaction can occur in the presence of:
$(1)$ Bromine water
$(2)$ $Br_2$ in $CS_2, 273 \ K$
$(3)$ $Br_2 / FeBr_3$
$(4)$ $Br_2$ in $CHCl_3, 273 \ K$
Choose the correct answer from the options given below:
[Image: Phenol reacting to form p-bromophenol as the major product]

The major product of the following reaction is: