Acetamide and ethyl amine can be distinguished by reacting with:            

1. Aq. HCl and heat

2. Aq. NaOH and heat

3. Acidified KMnO₄

4. Bromine water

The final product C in the below mentioned reaction is:
\(\xrightarrow[]{Ac_2O}\ A\ \xrightarrow[CH_3COOH]{Br_2}\ B\ \xrightarrow[H^+]{H_2O}\ C\)

1.		2.
3.		4.

What is the end product in the following sequences of operations?

Acetamide$\stackrel{{\mathrm{P}}_2{\mathrm{O}}_5}{\to }\mathrm{A}\stackrel{4\mathrm{H}}{\to }\mathrm{B}$

1. CH₃NH₂                              

2. C₂H₅NH₂

3. CH₃CN                                   

4.  CH₃COONH₄

Primary nitroalkanes on hydrolysis give:

1. RCOOH + NH₂OH

2. RCOOH

3. NH₂OH

4. RCOR

Identify 'Z' in the change;

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2\underset{280\mathrm{K}}{\overset{{\mathrm{NaNO}}_2/\mathrm{HCl}}{\to }}\mathrm{X}\stackrel{\mathrm{CuBr}/\mathrm{HBr}}{\to }\mathrm{Z}:$

1. 

2. 

3. 

4.