Which of the following structures represents cumene?

$A$ compound $X$ formed after heating coke with lime reacts with water to give $Y$,which on passing over red-hot iron at $873 \ K$ produces $Z$. The compound $Z$ is

The hybridization involved in the six carbon atoms of benzene is

The product obtained by the reaction of benzene with concentrated $HNO_3$ and concentrated $H_2SO_4$ at $353$ to $363 \, K$ is....

The six carbon atoms of benzene are of:

Explain: Benzene and Naphthalene are aromatic in nature.