When benzene vapor is passed through a tube at $700 - 800\,^oC$ or over molten lead,it yields ........

Answer the following question: Explain which type of mechanism is involved in the alkylation of benzene?

Tropolone is

Number of $\pi$ electrons present in naphthalene is :

$A$ 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:

What will be $C$ in the following reaction?
$C_6H_5CH_3$ $\xrightarrow{\text{Oxidation}} A$ $\xrightarrow{NaOH} B$ $\xrightarrow[\Delta]{\text{sodalime}} C$