$A$ compound $x$ reacts with Bromine water and gives a white precipitate. If compound $x$ reacts with $Zn$ dust and forms benzene,then $x$ is:

Phenol is heated with a solution of a mixture of $KBr$ and $KBrO_3$. The major product obtained in the above reaction is:

Which of the following compounds is obtained when phenol reacts with bromine water?

What is $Z$ in the following sequence of reactions?
$p-chloronitrobenzene$ $\xrightarrow{NaOH, 443 \ K} X$ $\xrightarrow{(i) Sn + HCl (ii) NaNO_2 / HCl, 0-5^{\circ}C} Y$ $\xrightarrow{H_3O^{+}, 10^{\circ}C} Z$

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

When phenol is treated with bromine water,the white precipitate formed is