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Unilorin Post-UTME Chemistry 2024 (Model questions) Question 10

Question 10

Sulphur and its Compounds

In the contact process for the manufacture of H2SO4, the catalyst used is:

  1. A.Iron (iii) oxide
  2. B.Vanadium (v) oxide
  3. C.Nickel
  4. D.Manganese (iv) oxide
Show the answer and explanation

Answer: B (Vanadium (v) oxide)

Explanation

Vanadium(V) oxide, V2O5, catalyses the oxidation of SO2 to SO3 in the contact process.