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

Which one of the following on reduction with LiAlH₄ yields a secondary amine?                   [2007]

1. Methyl isocyanide

2. Acetamide

3. Methyl cyanide

4. Nitroethane

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

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

Name the end product in the following series of reactions,

CH₃COOH $\stackrel{{\mathrm{NH}}_3}{\to }$A$\stackrel{∆}{\to }$B$\stackrel{{\mathrm{P}}_2{\mathrm{O}}_5}{\to }$C:

1. CH₄ 

2. CH₃OH

3. acetonitrile 

4. ammonium acetate

The type of isomerism shown by C₆H₅CN and C₆H₅NC is:

1. Position

2. Functional

3. enantiomer

4. Tautomerism

An aromatic primary amine with cold nitrous acid leads to the formation of:

1. alcohol

2. nitrite

3. diazonium salt

4. benzene

In the reaction,

${\mathrm{CH}}_3\mathrm{CN}+2\mathrm{H}\underset{{\mathrm{SnCl}}_2}{\overset{\mathrm{HCl}}{\to }}X \stackrel{\mathrm{Boiling} {\mathrm{H}}_2\mathrm{O}}{\to } Y,$ the term Y is 

[1999]

1. Acetone

2. Ethanamine

3. Acetaldehyde

4. Dimethyl amine