A compound having molecular formula $$\mathrm{C}_4 \mathrm{H}_{11} \mathrm{N}$$, reacts with $$\mathrm{CHCl}_3$$ in alcoholic $$\mathrm{KOH}$$, on heating, to form a compound with a foul smell. Identify the optically active isomer of the compound which also shows the above reaction.
One of the reactions A, B, C, D given below yields a product which will not answer Hinsberg's test when reacted with Benzene sulphonyl chloride. Identify the reaction.
What is the final product formed when Toluene undergoes the following series of reactions?
Aniline undergoes reactions with reagents given in the order shown
(i) Aqueous $$\mathrm{Br}_2$$
(ii) $$\mathrm{NaNO}_2 / \mathrm{HCl} / 0^0 \mathrm{C}$$
(iii) Hypophosphorous acid
What is the product formed at the end of these reactions?