Chemistry 9701 · AS & A Level · Group 17

Group 17 — practice question

Which of the following statements about the elements in Group 17 and their compounds is correct?

  • ABromine will reduce KI to form iodine.
  • BIodide ions react to form a white precipitate when added to silver nitrate solution.
  • CBromide ions react to form a white precipitate when added to silver nitrate solution.
  • DChlorine reacts with hydrogen to form a colourless gas.

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