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6. E/Z isomerism involves molecules with:

  • different groups attached to the carbon atoms at each end of the bond
  • both
  • restricted rotation about a bond

7. the more stable a carbocation, the _______ alkyl groups are attached

  • more
  • less

8. When does propagation end? (termination)

  • when you remove all reactants
  • when two free radicals combine
  • when you run out of reactants

9. cis and trans isomerism is only when at least one group on each carbon is the same

  • true
  • false

10. alkane + oxygen =

  • alcohol + water
  • carbon dioxide + water
  • alkene

11. halogen molecule + alkene =

  • halogenoalkane
  • halogenoalkane + water
  • alkane + hydrogen halide

12. bromine molecules become polar as they approach the electron rich double bond

  • true
  • false

13. when alkenes are shaken in bromine water they produce.......

  • a mixture of products (halogenoalcohol/halogenoalkane)
  • only one product (halogenoalkane)

14. addition to unsymmetrical alkenes produces _ product(s)

  • 2
  • 1

15. In the initiation stage, ________ takes place to create the free radicals

  • homolytic fission
  • heterolytic fission

16. in electrophilic addition reactions the pi bond in alkenes divide by ___________ fission, forming a C-H covalent bond

  • heterolytic
  • homolytic

17. alkene + hydrogen halide =

  • alcohol
  • halogenoalkane
  • halogenoalkane + water

18. alkene + steam =

  • alcohol
  • alkane + water

19. Aliphatic Hydrocarbons have...

  • branched or unbranched chains of carbon atoms, or rings of carbon atoms
  • rings of carbon atoms in which there are delocalised electrons

20. A dilute, acidified solution of potassium manganate converts an alkene to ________ at room temp

  • diol
  • aldehyde
  • ketone