SO\(_2\) + O\(_2\) → 2SO\(_3\)

In the reaction above, the most suitable catalyst is?

  • A chromium(vi)oxide
  • B iron(iii)oxide
  • C copper(i)oxide
  • D vanadium(v)oxide
jamb 2022chemistry

The correct answer is D. vanadium(v)oxide

During the Contact Process for manufacturing sulfuric acid, sulfur dioxide has to be converted into sulfur trioxide, which is done by passing sulfur dioxide and oxygen over a solid vanadium(V) oxide catalyst.

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