An organic compound A on reduction gives compound B which on reaction with chloroform and potassium hydroxide forms C. The compound C on catalytic reduction gives N-methylaniline. The compound A is                                                               

1. Nitrobenzene

2. Nitromethane

3. Methylamine

4. Aniline

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

Which of the following compound gives dye test

1. Aniline               

2. Methylamine                 

3. Diphenylamine                 

4. Ethylamine

CH₃CH₂Cl$\stackrel{\mathrm{NaCN}}{\to }$X$\stackrel{\mathrm{Ni}/{\mathrm{H}}_2}{\to }$Y$\stackrel{\mathrm{Acetic} \mathrm{anhydride}}{\to }$Z

In the above reaction sequence, Z is                                  

1. CH₃CH₂CH₂NHCOCH₃

2. CH₃CH₂CH₂NH₂

3. CH₃CH₂CH₂CONHCH₃

4. CH₃CH₂CH₂CONHCOCH₃

Predict the product,

1.
2.
3.
4.

1. 

2. 

3. 

4. 

Intermediates formed during the reaction of RCONH₂ with Br₂ and KOH are -                               

1. RCONHBr and RNCO

2. RNHCOBr and RNCO

3. RNHBr and RCONHBr

4. RCONBr₂

In a reaction of aniline a colored product C was obtained.

The structure of C would be

1. 

2. 

3. 

4. 

Product Q in the above reaction is             

1.  

2.  

3.  

4.  

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.

Aniline when diazotised in cold and then treated with dimethylaniline, gives a coloured product. Its structure would be :                                                                                 

1.

2. 

3. 

4.