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. . . . . . . .

Write the chemical reactions for the following conversions:
$1.$ Phenol to Anisole and Phenetole
$2.$ Chlorobenzene to $p$-Bromoanisole

Identify $A$ in the following chemical reaction:

Choose the correct option by putting $T$ for the true statement and $F$ for the false statement.
$(i)$ Phenol is more acidic as compared to ethanol.
$(ii)$ Melting point of $o$-nitrophenol is lesser than $p$-nitrophenol.
$(iii)$ Neutralization of phenol is done with $NaHCO_3$.
$(iv)$ Nucleophilic substitution reaction is taking place in the aromatic ring of phenol.

The major product in the following reaction sequence is:

Sum of number of $1^o$ alcoholic groups in product $(P)$ and $(Q)$ is