$A$ primary amine can be converted to an alcohol by the action of

In the reaction $A$ $\xrightarrow{SnCl_2/HCl} B$ $\xrightarrow{NaNO_2/HCl, 0^{\circ}C} C$ $\xrightarrow{H_2O/\Delta} C_6H_5OH$,what are $A, B$,and $C$?

Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Aniline on nitration yields ortho,meta and para nitro derivatives of aniline.
Reason $R$: Nitrating mixture is a strong acidic mixture.
In the light of the above statements,choose the correct answer from the options given below.

The reduction of benzenediazonium chloride to phenylhydrazine can be accomplished by:

Reduction of nitroalkanes in neutral medium (e.g.,$Zn / NH_4Cl$) forms mainly

Which reaction is known as the Schotten-Baumann reaction?