In the Contact process for making sulfuric acid, which catalyst is used?
Answer and explanation
Correct answer: A. Vanadium(V) oxide
Sulfur dioxide is oxidised to sulfur trioxide over vanadium(V) oxide.
Answer: Vanadium(V) oxide.
Why not the others: Iron: that is used in the Haber process. Nickel: that is used in hydrogenation of oils. Manganese(IV) oxide: it decomposes hydrogen peroxide.
Answer: Vanadium(V) oxide.
Why not the others: Iron: that is used in the Haber process. Nickel: that is used in hydrogenation of oils. Manganese(IV) oxide: it decomposes hydrogen peroxide.
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