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-methyl aniline. What is the structure of compound (A)?

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,

${\mathrm{CH}}_3\mathrm{CN}+2\mathrm{H}\underset{{\mathrm{SnCl}}_2}{\overset{\mathrm{HCl}}{\to }}X<mspace\; width="1em"></mspace>\stackrel{\mathrm{Boiling}<mspace\; width="1em"></mspace>{\mathrm{H}}_2\mathrm{O}}{\to }<mspace\; width="1em"></mspace>Y,$ the term Y is 

[1999]

1. Acetone

2. Ethanamine

3. Acetaldehyde

4. Dimethyl amine