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6. The halogens become more reactive the more you go down the group

  • False
  • True

7. A Halide is

  • a compound of a halogen and another element
  • a mixture of of two halogens
  • a halogen in liquid form.

8. A mixture of ________ and chlorine explodes when exposed to __ ________

  • Hydrogen: UV radiation
  • Bromine , IR radiation
  • Oxygen; UV Radiation

9. a Hydrogen and Bromine ______ will react when heated

  • vapour
  • hydroxide
  • oxide

10. When Iodine and Hydrogen react the reaction is not fully completed.

  • True
  • False

11. For these 3 reactions in the last 3 questions, what is the general chemical equation (X=halogen)

  • X2+H2-------->2HX
  • X2+H2--------->H2X2
  • X2+H----------->HX2

12. What are the products of this reaction: Chlorine+Potassium Bromide

  • Potassium Chloride+Bromine
  • Potassium Bromine+Chloride

13. What are the products of this reaction: Iodine +Potassium Bromide

  • Potassium Bromide+Iodine
  • Potassium Iodide+Bromine

14. In these displacement reactions, the Halogen is being _______ and the Halide is being ______

  • Reduced, Oxidated
  • Oxidation, Reduced

15. if an acid (eg HCL) is dissolved in an organic solvent (eg methyl benzene) why is the solution neutral?)

  • As acids need water to donate hydrogen ions
  • As acids need water to dissolve fully into

16. HCL acid reacts with magnesium , zinc +iron to form:

  • Metal Hydroxide+Water
  • Metal Chloride+Hydrogen
  • Metal Hydroxide+Chlorine

17. HCL reacts with metal carbonates to form in solution:

  • Metal Chloride+Water+Carbon Dioxide
  • Metal Carbonate+Hydrogen
  • Metal Hydroxide+ Water+Carbon Dioxide

18. HCL acid turns litmus paper RED and reacts with bases(metal oxides/hydroxides) to form a metal chloride in solution +water.

  • True
  • False