Which of the following specific transition metal oxides is universally employed as an essential hete — d and f Block Elements Chemistry Question
Question
Which of the following specific transition metal oxides is universally employed as an essential heterogeneous catalyst in the Contact Process and exhibits predominantly acidic behaviour with slight amphoteric tendencies?
Answer: C
💡 Solution & Explanation
The Contact Process oxidizes $SO_2$ to $SO_3$ for manufacturing sulfuric acid. The universally employed catalyst is Vanadium(V) oxide ($V_2O_5$), which operates by temporarily shifting between the $+5$ and $+4$ oxidation states to hand off oxygen.
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