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6. what does the ozone do that is beneficial to life on earth?

  • provide water
  • absorb harmful UV rays
  • neutralise acids
  • form free radicals

7. what is the product of a SECONDARY alcohol that undergoes REFLUX?

  • nothing
  • ketone
  • aldehyde
  • carboxylic acid

8. which halogen most readily forms 1- ions?

  • bromine
  • iodine
  • fluorine
  • chlorine

9. what is the oxidising agent for refluxing?

  • OCH3-
  • H2SO4
  • K2Cr2O7/H+
  • H2O

10. what are the conditions required for polymerisation?

  • high pressure, high temp, catalyst
  • steam
  • Br2
  • H2

11. in bromination, what colour change occurs if unsaturation is present?

  • white precipitate
  • red litmus turns blue
  • orange to colourless
  • orange to green

12. what is the product of a PRIMARY alcohol that undergoes DISTILLATION?

  • polymer
  • ketone
  • aldehyde
  • carboxylic acid

13. what is name of the process of bonding a carboxylic acid and an alcohol?

  • polymerisation
  • esterification
  • hydration
  • oxidation

14. what does the molecular ion peak on an MR spectrum show?

  • the ability of a compound to form an ion
  • the mass of the intact compound
  • the mass of a compound fragment
  • the amount of mols in a compound

15. what is the product of a PRIMARY alcohol that undergoes REFLUX?

  • aldehyde
  • polymer
  • carboxylic acid
  • ketone