Identify the position where $E.A.S.$ (Electrophilic Aromatic Substitution) can take place in the given molecule.

The major product of the following reaction is:
$Glucose \xrightarrow[(ii) \ Mo_2O_3, \ 773 \ K, \ 10-20 \ atm]{(i) \ HI, \ \Delta} ?$

Which compound is formed when benzene is reacted with ethyl chloride in the presence of anhydrous aluminum chloride?

The number of $sp^2$ and $sp^3$ hybridised carbons in cumene,respectively,are:

Friedel-Crafts reaction using $MeCl$ and anhydrous $AlCl_3$ will take place most efficiently with

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.