Other questions in this quiz

2. the reducing power of halides _______ down the group

  • remains the same
  • increases
  • decreases

3. iron (III) iodide solution is unstable because

  • iodide ions reduce fe3+ to fe2+
  • iodide ions oxidise fe3+ to fe2+
  • iodide ions reduce fe2+ to fe3+
  • iodide ions oxidise fe2+ to fe3+

4. bromide ions will

  • form a cream ppt that is insoluble in cnc NH3
  • form a cream ppt that dissolves in conc NH3
  • form a white ppt that dissolves in conc NH3
  • forma cream ppt that dissolves in dilute NH3

5. to test for halide ions you first

  • add silver nitrate solution
  • add dilute nitric acid to remove ions that might interfere with the test
  • add conc NH3
  • add dilute and conc nh3

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