$Z$ is an aromatic compound with substituents $P$ and $Q$. What are $P$ and $Q$?

Benzene is obtained by

Which of the following compounds contains an $S$ atom in its ring?

The enthalpy of hydrogenation of cyclohexene is $-119.5 \ kJ \ mol^{-1}.$ If resonance energy of benzene is $-150.4 \ kJ \ mol^{-1},$ its enthalpy of hydrogenation would be $...... \ kJ \ mol^{-1}.$

Which product is obtained by the oxidation of ethylbenzene with $KMnO_4$?

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.