Gabriels phthalimide reaction is used to prepare:

(1) p-amine

(2) s-amine

(3) t-amine

(4) all of those

The amine may contain:

(1) $—N{H}_2<mspace\; width="1em"></mspace>gp.$

(2) $-\underset{|}{\mathrm{N}}\mathrm{H}<mspace\; width="1em"></mspace>\mathrm{gp}$ 

(3) $-\underset{\left|}{\overset{\right|}{\mathrm{N}}}$ gp

(4) all of these

Gas evolved during the reacton of sodium metal on ethyl-amine is:

(1) N₂

(2) C₂H₂

(3) H₂

(4) CO₂

Ethylamine undergoes oxidation in the presence of KMnO₄ followed by hydrolysis to form:

1. an acid

2. an alcohol

3. an aldehyde

4. a N-oxide

Which of the following reactions does not yield an amine?

1. $\mathrm{R}—\mathrm{X }+ {\mathrm{NH}}_3$

2.  RCH=N-OH + [H] \(\xrightarrow[C_{2}H_{5}OH]{Na}\) 

3. $\mathrm{R}—\mathrm{CN}+{\mathrm{H}}_2\mathrm{O}\stackrel{{\mathrm{H}}^{+}}{\to }$

4. 

Hinsberg's method to separate amines is based on the use of:

(1) benzene sulphonyl chloride

(2) benzene sulphonic acid

(3) ethyl oxalate

(4) acetyl chloride

An amine reacts with ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{SO}}_2\mathrm{Cl}$ and the product is soluble in alkali, amine is:

(1) $1°$

(2) $2°$

(3) $3°$

(4) all of these

 $({\mathrm{NH}}_4{)}_2{\mathrm{SO}}_4<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>\mathrm{KCNO}$ upon heating generates -

1. Nitrogen gas

2. Carbon dioxide

3. Biuret

4. Ammonium carbonate

Mark the correct statement:

(1) Methylamine is slightly acidic

(2) Methylamine is less basic than ammonia

(3) Methylamine ia a stronger base than ammonia

(4) Methylamine forms salts with alkalies

A colourless organic compound gave brisk effervescence with a mixture of NaNO₂ and dil.HCl. It could be:

(1) glucose

(2) oxalic acid

(3) urea

(4) benzoic acid