$Y$ in the above sequence of reaction is

Assertion : Tropylium cation is aromatic in nature.
Reason : The only property that determines its aromatic behaviour is its planar structure.

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

$n-hexane$ $\xrightarrow{\text{catalyst}}$ benzene
The catalyst is:

The product of the following reaction is:

What products are formed when the following compound is treated with $Br_2$ in the presence of $FeBr_3$?