If aniline is treated with conc. $H_{2}SO_{4}$ and heated at $200^{\circ}C$, the product is

$A$ compound $X$ on treatment with $Br_2/NaOH$ provided $C_3H_9N$,which gives a positive carbylamine test. Compound $X$ is

Biologically active adrenaline and ephedrine,which are used to increase blood pressure,contain which of the following functional groups?

Compare the basicity of aryl amines with alkyl amines.

Identify the final product $D$ in the following reaction sequence: $CH_3CH_2Br$ $\xrightarrow[\Delta]{Aq. KOH} A$ $\xrightarrow[\Delta]{KMnO_4/H^+} B$ $\xrightarrow[\Delta]{NH_3} C$ $\xrightarrow[alkali]{Br_2} D$

In the carbylamine reaction,hot alcoholic $KOH$ and ...... are required.