The formation of $p$-hydroxyazobenzene from benzene diazonium chloride and phenol in a mild alkaline medium is a:

The correct order of basicity is........

What will be the products $A$,$B$,and $C$ in the following reaction sequence?
$\text{Phenol}$ $\xrightarrow[\text{Distillation}]{\text{Zn}} A$ $\xrightarrow[\text{conc. } H_2SO_4]{\text{conc. } HNO_3, 60^{\circ}C} B$ $\xrightarrow[\text{NaOH (aq)}]{\text{Zn}} C$

The strongest nucleophile is

Identify $X$ and $Y$ in the following reactions:

Identify the alkene obtained as the major product in the following Hofmann elimination reaction.
$(CH_3CH_2CH_2)N^{+}(CH_2CH_3)_3 I^{-}$ $\xrightarrow[\Delta]{\text{moist } Ag_2O} A$ $\xrightarrow[\Delta]{\text{heat}} \text{Alkene} + \text{Amine}$