Organic compounds containing Nitrogen MCQs

Organic chemistry is that branch of chemistry which deals with the study of compounds of carbon with hydrogen and their derivatives. Presently about five million organic compounds are known. Organic compounds were found to contain mainly hydrogen and carbon. Therefore, organic chemistry is defined as the study of hydrocarbons and their derivatives. Organic chemistry is essentially the chemistry of carbon. Carbon compounds are arranged according to how the carbon atoms are arranged and what other groups of atoms are attached.

1. Acetamide can be converted to methenamine by which of the following reactions?

  1. Stephen’s reaction
  2. Hoffmann bromamide reaction
  3. Carbylamine reaction
  4. Gabriel phthalimide synthesis

Answer: (b)

2. An aldehyde on reaction with primary amine forms

  1. ketone
  2. Schiff’s base
  3. aromatic acid
  4. carboxylic acid

Answer: (b)

3. Benzene-diazonium chloride on reaction with phenol in weakly basic medium gives

  1. Diphenyl ether
  2. p-hydroxyazobenzene
  3. Chlorobenzene
  4. Benzene

Answer: (b)

4. Which one of the following does not contain the -COOH group?

  1. Picric acid
  2. Aspirin
  3. Benzoic acid
  4. Ethanoic acid

Answer: (a)

5. C3H9N  can have how many structural isomers?

  1. 2
  2. 3
  3. 4
  4. 5

Answer: (c)

6. Products formed when Nitrobenzene reacts with HNO3/H2SO4 at 80-100°C

  1. 1, 4-Dinitrobenzene
  2. 1, 2, 4-Trinitrobenzene
  3. 1, 2-Dinitrobenzene
  4. 1, 3-Dinitrobenzene

Answer: (d)

7. Benzene forms Nitrobenzene on reaction with conc. HNO3/H2SO4, in the reaction HNOacts as a 

  1. catalyst
  2. reducing agent
  3. base
  4. acid

Answer: (c)

8. The bad-smelling substance formed by the action of alcoholic caustic potash on chloroform and aniline is

  1. Phenyl Isocyanide
  2. Nitrobenzene
  3. Chloropicrin
  4. Acetylene

Answer: (a)

9. Which of the following compound will form secondary amine on reaction with LiAlH4?

  1. Methyl cyanide
  2. Methyl isocyanide
  3. Acetamide
  4. Nitroethane

Answer: (b)

10. Find the compound which is more basic than aniline

  1. Diphenylamine
  2. Triphenylamine
  3. Benzylamine
  4. p-Nitroaniline

Answer: (c)

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