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Which of the following equations represents an oxidizing action of sulphur dioxide?

Which of the following equations represents an oxidizing action of sulphur dioxide?
  • A.
    SO2 + 2HNO2 → H2SO4 + 2NO2 + heat
  • B.
    2SO2 + 2H2O + O2 → 2H2SO4
  • C.
    SO2 + 2H2O + CI2 → H2SO4 + 2HCI
  • D.
    SO2 + 2H2S → 3S + 2H2O
  • E.
    K2Cr2O7 + H2SO4 + 3SO2 → K2SO4 + Cr2(SO4)3 + H2O
Correct Answer: Option D
Explanation

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