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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.
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.
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.
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.