Tests and colours #1

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1. reagent to test for a bromide ions

  • Damp blue litmus paper
  • glowing splint
  • Silver nitrate solution
  • limewater
  • Bromine water
  • Neutral iron(III)chloride solution
  • lighted splint
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2. positive result when testing for an iodide ion

  • cream precipitate
  • white precipitate
  • yellow precipitate
  • litmus paper gets bleached
  • you hear a squeaky pop
  • it turns cloudy
  • turns from orange to purple
  • splint relights
  • turns from orange to colourless

3. positive result when testing for a bromide ion

  • cream precipitate
  • white precipitate
  • yellow precipitate
  • turns from orange to colourless
  • it turns cloudy
  • turns from orange to purple
  • you hear a squeaky pop
  • splint relights
  • litmus paper gets bleached

4. what forms a cream precipitate when you add silver nitrate

  • iodide ion
  • hydrogen
  • bromide ion
  • chlorine
  • oxygen
  • carbon dioxide
  • chloride ion
  • alkene
  • phenol

5. What species turns from orange to colourless when you add bromine water?

  • hydrogen
  • iodide ion
  • phenol
  • oxygen
  • chloride ion
  • alkene
  • carbon dioxide
  • bromide ion
  • chlorine

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