Lassaigne's test for the detection of nitrogen will fail in the case of :

1. NH₂CONH₂

2. NH₂CONHNH₂.HCl

3. NH₂NH₂.HCl

4. C₆H₅NHNH₂.2HCl

Identify the product (A)  in the following reaction series,

CH₃CN $\stackrel{\mathrm{Na}/{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}}{\to }$(X) $\stackrel{{\mathrm{HNO}}_2}{\to }$(Y) $\stackrel{\left[\mathrm{O}\right]}{\to }$(Z) $\stackrel{\mathrm{Tollens}<mspace\; width="1em"></mspace>\mathrm{reagent}}{\to }$(A):

1. CH₃CHO

2. CH₃CONH₂

3. CH₃COOH

4. CH₃-CH₂-NHOH

The product C in the following sequence of reactions is:

     CH₃CN$\stackrel{{\mathrm{H}}_2\mathrm{O}}{\to }$A$\stackrel{{\mathrm{NH}}_3}{\to }$B$\stackrel{∆}{\to }$C is:

1. Methylamine

2. Ammonium acetate

3. Ethylamine

4. Acetamide

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. $\mathrm{R}—\mathrm{X<mspace\; width="1em"></mspace>}+\hspace{0.17em}{\mathrm{NH}}_3$

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

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

1. Nitrogen gas

2. Carbon dioxide

3. Biuret

4. Ammonium carbonate

Which of the following reagents will convert nitromethane into methylamine ?

1. Zn/HCl

2. Zn/NaOH

3. Zn/C₂H₅OH

4. Ni/H₂

Which product is formed when nitrobenzene is reduced with aluminium amalgam (Al–Hg) in water?

1. Azobenzene
2. Aniline
3. Azoxybenzene
4. Phenylhydroxylamine