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Chemistry · May / June 2018 · Paper 11 · Question 20

5070Redox

A compound decolourises acidified potassium manganate(VII). What could this compound be? 1 magnesium chloride, MgCl2 2 iron(II) chloride, FeCl2 3 ethanol, C2H5OH

  1. A1, 2 and 3
  2. B1 and 2 only
  3. C2 and 3 only
  4. D3 only

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Correct answer: C. 2 and 3 only

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