Which of the following reactions is sulphur (IV) oxide acting agent?

Which of the following reactions is sulphur (IV) oxide acting agent?
  • A.
    2HNO 3(aq) + SO2(g) → H2SO4(aq) + 2NO2(g)
  • B.
    2KMnO 4(aq) + 5SO2(g) + 2H2O → K2SO4(aq) +MnSO4(aq) 2H2SO4(aq)
  • C.
    FeCI3(aq) + SO2(g) + 2H2O(l) → FeCI 2(g)+ 2HCI(g) + H2SO4(aq)
  • D.
    2H2S(g) + SO2(g) →2H2O(l) + 3S(s)
Correct Answer: Option D
Explanation
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