The product $(P)$ of the following reaction:

When benzene diazonium chloride is treated with $\beta-$naphthol in an alkaline medium,a coupling reaction takes place,resulting in the formation of an azo dye. In this reaction,benzene diazonium chloride acts as:

What is obtained upon the reduction of a Schiff base?

What is the correct sequence of reagents used for converting nitrobenzene into $m$-dibromobenzene?

Identify the product $Y$ in the following reaction sequence:
Phthalimide $\xrightarrow[(2) \text{Cyclohexyl chloride}, (3) H_2O/\Delta]{(1) KOH} X$ $\xrightarrow{CHCl_3, KOH, \Delta} Y$

Consider the following four compounds $I, II, III,$ and $IV$.
Choose the correct statement$(s)$.
$(A)$ The order of basicity is $II > I > III > IV$.
$(B)$ The magnitude of $pK_b$ difference between $I$ and $II$ is more than that between $III$ and $IV$.
$(C)$ Resonance effect is more in $III$ than in $IV$.
$(D)$ Steric effect makes compound $IV$ more basic than $III$.