Product (B) of this reaction is:-
1. 

2. 

3. 

4.  

This reaction is example of ?
(1) Intermolecular C-N coupling

(2) Intramolecular C-N coupling

(3) Intermolecular N-N coupling

(4) Intramolecular N-N coupling

Product (C) in the above reaction is:

1. 

2.

3. 

4.

Product (B) of this reaction is:

1.

2.

3.

4. None of the above

Above compounds (P) & (Q) can be differentiated by:

(1) amm. AgNO₃

(2) NaOH

(3) FeCl₃

(4) Both (a) & (b)

Ethylamine and diethylamine cannot be differentiated by:

1. Hinsberg test

2. Carbylamine test

3. Iodoform test

4. Both (1) and (2)

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) $\stackrel{\mathrm{Tollens} \mathrm{reagent}}{\to }$(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