Quiz  /  Benzene Gate & PSU MCQ Questions With Answers

  • 1. 
    This mono-substituted benzene has an aldehyde group (formyl) in its structure

  • What is benzoic acid?
  • What is benzaldehyde?
  • What is benzal?

  • 2. 
    Which of the following has an isopropyl group in its structure?

  • Toluene
  • Cumene
  • Xylene

  • 3. 
    What is 'n' in Huckel rule

  • number of ring
  • number of catom
  • any integer
  • none

  • 4. 
    Which of the following is considered an aromatic ether?

  • Aniline
  • Phenol
  • Acetophenone
  • Anisole

  • 5. 
    What happens when benzene reacts with bromine in ferric bromide?

  • it forms dibromo benzene
  • forms mono bromo benzene
  • both
  • none

  • 6. 
    This mono-substituted benzene has the phenyl group directly connected to an FG that has an sp hybridized Nitrogen in its structure

  • What is Aniline
  • What is benzonitrile
  • What is Anisole
  • What is Acetophenone

  • 7. 
    The bond length of c-c bond in benzene is

  • 1.45 A
  • 1.38A
  • 1.33A
  • 1.23A

  • 8. 
    This mono-substituted benzene with a common name has a vinyl group attached to the phenyl ring

  • What is allyl benzene?
  • What is Styrene?
  • What is Vinylbenzyl?
  • What is Benzenethene?

  • 9. 
    The color of Kmno4 changes in test for unsaturation reaction is due to

  • oxidation
  • reduction
  • hydrogenation
  • all

  • 10. 
    Which of them is Hetero cyclic aromatic compound

  • benzene
  • Toluene
  • Pyridine
  • Xylene

  • 11. 
    Which of the following is considered a disubstituted benzene?

  • Phthalic acid
  • Benzoic acid
  • Acetophenone
  • Benzophenone

  • 12. 
    Name the following compound

  • Benzene
  • Benzol
  • Phenyl
  • Phenol

  • 13. 
    How many degrees of unsaturation is present in benzene?

  • 5
  • 4
  • 6
  • 3
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