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6. Benzene takes part in..

  • Electrophilic addition.
  • Nucleophilic substitution.
  • None of the above.
  • Electrophilic substitution.
  • Nucleophilic addition.

7. Which of theses IS NOT a halogen carrier.

  • AlBr3
  • FeCl3
  • AlCl3
  • Mn
  • Fe

8. The reactants in the nitration of Benzene are..

  • Benzene and ammonia.
  • Benzene and nitrous acid.
  • Benzene and concentrated nitric acid.
  • Benzene and ethanoic acid.
  • Benzene and Amine.

9. The conditions for the nirtation of benzene are...

  • Just over 100
  • 72
  • 50
  • Tin and Concentrated HCl
  • Less than 10

10. A curly arrow represents...

  • The movement of an atom.
  • The rotation of a bond.
  • A pair of electrons.
  • A single electron.
  • A single proton.

11. The bromonium ion is a more powerful electrophile than Br2.

  • True
  • False

12. A phenol..

  • Has an -OH directly attached to the Benzene ring.
  • Has an -OH.
  • Has a carbonyk group attached directly to the Benzene ring.
  • Has -NO2 attached directly to the Benzene ring.
  • Is insoluable in water.

13. When dissolved in water phenol..

  • Forms a weak alkaline solution.
  • It doesn
  • Forms a weak acidic solution.
  • Forms a strong acidic solution.
  • Forms a strong alkaline solution.

14. Aquesous phenol+ bromine water=

  • 2,4,6-tribromophenol
  • 3,4,5-tribromophenol
  • 3,6-bromophenol
  • 2,6-dibromophenol
  • 2,4-dibromobenzene

15. This product is a..

  • Cream precipitate
  • White precipitate
  • Orange solution
  • Cream solution
  • Orange precipitate

16. Which of these is NOT a use for phenols

  • Pharmaceuticals
  • Surfactant
  • CCD
  • Detergent
  • Epoxy resins.

17. The oxidising agent for oxidising alchohols is...

  • Hydrochloric acid.
  • Iron.
  • Acidified dichromate ions.
  • Acidified manganate ions.
  • NaBH4.

18. Ketones are reducted to primary alchohols.

  • False
  • True

19. When Brady's reagent is added to an aldehyde or ketone...

  • An orange precipitate forms.
  • The solution turns from green to orange.
  • Nothing happens.
  • A silver precipitate forms.
  • The solution turns from orange to green.

20. When Tollen's reagent is added to a carboxyllic acid..

  • The solution goes from orange to green.
  • An orange precipitate forms.
  • A silver precipitate forms.
  • Nothing happens.
  • A white precipitate forms.