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Chemistry · May / June 2022 · Paper 11 · Question 23

5070Redox

Concentrated hydrochloric acid is oxidised by manganese(IV) oxide, MnO2. What are two products of this reaction?

  1. AMn2+ and Cl –
  2. BMn2+ and Cl 2
  3. CMn6+ and Cl –
  4. DMn6+ and Cl 2

As printed in the paper

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Correct answer: B. Mn2+ and Cl 2

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