What is the function of sulphur (IV) oxide in the reaction represented by the following…

Chemistry WAEC 1998

What is the function of sulphur (IV) oxide in the reaction represented by the following equation? SO 2(aq) + 2H2S(g) → 3S (s) + 2H 2O (l)

  • Dehydrating agent
  • Oxidising agent checkmark
  • Bleaching agent
  • Acid
  • Precipitant

The correct answer is: B

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