Which substance is used to obtain paracetamol through the process of acetylation?

$A$ narrow spectrum antibiotic is active against

Which of the following options is correctly matched?

List-$I$	List-$II$
$A$. Bithional	$P$. Analgesics
$B$. Morphine	$Q$. Tranquilizer
$C$. Nardil	$R$. Antihistamine
$D$. Terfenadine	$S$. Antiseptic

One of the most widely used drugs in medicine,Iodex,is

Which of the following is the formula of $BHA$?

In the given reaction scheme,$P$ is a phenyl alkyl ether,$Q$ is an aromatic compound; $R$ and $S$ are the major products.
$P$ $\xrightarrow{HI} Q$ $\xrightarrow[\text{(iii) } H_3O^{+}]{\text{(i) } CO_2, \text{(ii) } NaOH} R$ $\xrightarrow[\text{(ii) } H_3O^{+}]{\text{(i) } (CH_3CO)_2O} S$
The correct statement about $S$ is: