Chemistry 0620 · IGCSE · Redox

Redox — practice question

Sulfuric acid is produced by the Contact process. The key reaction occurs in the presence of a catalyst. What are the reactants and the catalyst for this reaction?

  • Asulfur and oxygen; vanadium(V) oxide
  • Bsulfur dioxide and oxygen; vanadium(V) oxide
  • Csulfur dioxide and steam; iron
  • Dsulfur trioxide and water; platinum

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