Class XII Chemistry Organic Compounds Containing Nitrogen 4

Here A is–

Which of the following is functional isomer of nitro methane–

A reaction of ethyl amine & acetic anhydride leads to the formation of–

Alkylamine dissolve in hydrochloric acid to form alkylammonium chloride. The nitrogen in the latter salt is–

The presence of primary amines can be confirmed by–

When propionamide reacts with Br₂ in the presence of alkali the product is–

Of the following statements–
(P) C₆H₅N=CH–C₆H₅ is a Schiff's base
(Q) A dye is obtained by the reaction of aniline and C₆H₅N=NCl
(R) C₆H₅CH₂NH₂ on treatment with [NaNO₂ + HCl] gives diazonium salt
(S) p–Toluidine on treatment with [HNO₂ + HCl] gives diazonium salt