What is $Cresol$?

Which of the following reactions gives alcohol or phenol as a product?
$(i)$ $C_2H_5COOH \xrightarrow{LiAlH_4} C_2H_5CH_2OH$
$(ii)$ $C_2H_5Br$ $\xrightarrow[\text{then } H_2O]{\text{Mg, dry ether}} C_2H_5MgBr$ $\xrightarrow{H_2O} C_2H_6$
$(iii)$ $\text{Benzene diazonium chloride} \xrightarrow{H_3PO_2, H_2O} \text{Benzene}$
$(iv)$ $4-\text{Chlorotoluene} \xrightarrow[300 \text{ atm}]{\text{NaOH, } 623 \text{ K}} 4-\text{Methylphenol}$

Select the correct statement.

Match List-$I$ with List-$II$.

List-$I$	List-$II$
$A$. Phenol $\rightarrow$ Salicylaldehyde	$I$. $Br_2$ in $CS_2$
$B$. Phenol $\rightarrow$ Benzene	$II$. $Na_2Cr_2O_7/H_2SO_4$
$C$. Phenol $\rightarrow$ $p$-Benzoquinone	$III$. $Zn$
$D$. Phenol $\rightarrow$ $p$-Bromophenol	$IV$. $CHCl_3/NaOH$

Choose the correct answer from the options given below:

Which of the following compounds will give a tribromo derivative upon reaction with bromine water?

Scheme $1$ and $2$ describe the conversion of $P$ to $Q$ and $R$ to $S$,respectively. Scheme $3$ describes the synthesis of $T$ from $Q$ and $S$. The total number of $Br$ atoms in a molecule of $T$ is. . . . . . . .