When hydrogen sulphide and sulphur dioxide are each passed in turn into a solution of…

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Chemistry JAMB 1981

When hydrogen sulphide and sulphur dioxide are each passed in turn into a solution of potassium dichromate?

  • both gases change the colour of the solution from yellow to colourless
  • both gases causes sulphur to be deposited
  • only hydrogen sulphide decolourizes the solution
  • only sulphur dioxide deposits sulphur
  • only hydrogen sulphide deposits sulphur checkmark

The correct answer is: E

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