Phenol and benzoic acid are distinguished by

Assertion: Phenol undergoes Kolbe reaction,ethanol does not.
Reason: Phenoxide ion is more basic than ethoxide ion.

$I$. $1,2$-dihydroxybenzene
$II$. $1,3$-dihydroxybenzene
$III$. $1,4$-dihydroxybenzene
$IV$. Hydroxybenzene
The increasing order of boiling points of the above-mentioned compounds is:

Choose the incorrect option based on the reaction:
$(P)$ + $CH_3-CO-Cl \rightarrow (Q)$
Where $(P)$ is salicylic acid and the structure of $(Q)$ is given as:
$(Q)$ is a benzene ring with an $-OH$ group and a $-COO-CO-CH_3$ group at ortho position.

Which of the following is the strongest Bronsted acid?

Identify the product $A$ obtained in the following reaction.
$\text{Phenol} + \text{Conc. Nitric acid} \xrightarrow{\text{conc. } H_2SO_4} A$