The major product in the following reaction is:

Identify the compound with the highest acidic strength from the following.

Identify $(C)$ in the reaction$(s)$:
$p\text{-toluidine}$ $\xrightarrow[{0\,^{\circ}C}]{{NaNO_2/HCl}}\,(A)\,$ $\xrightarrow{{{H_2}O, \Delta }}\,(B)\,$ $\xrightarrow[{(ii)\,dil.\,HCl}]{{(i)\,CHCl_3, KOH, \Delta }}\,(C)$

Phenol reacts with dilute $HNO_3$ at low temperature to form:

Phenol $\xrightarrow{Zn \, \text{dust}} X$ $\xrightarrow[Anhyd. \, AlCl_3]{CH_3Cl} Y$ $\xrightarrow{\text{Alkaline } KMnO_4} Z$. In the above reaction,what is $Z$?

Identify the product in the following reaction:
Phenol + $CHCl_3 + NaOH \rightarrow \text{Product}$