In the manufacture of H₂SO₄ by contact process, the presence of As₂O₃ acts as — Surface Chemistry Chemistry Question
Question
In the manufacture of H₂SO₄ by contact process, the presence of As₂O₃ acts as
Answer: B
💡 Solution & Explanation
As₂O₃ acts as a catalytic poison for the platinum catalyst used in the contact process, decreasing its activity. Therefore, correct answer is B.
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