The catalyst used to convert SO₂ to SO₃ is ………………….

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The catalyst used to convert SO₂ to SO₃ is …………………. Answer: Vanadium(V) oxide (V₂O₅)

The primary catalyst used to convert SO₂ to SO₃is vanadium pentoxide V₂O₅. It is the industry-standard catalyst used during the Contact process for the manufacturing of sulfuric acid.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the Engineering College Admission Test (ECAT) preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.