H₂SO₄ is manufactured from SO₂(g) by the

H₂SO₄ is commercially manufactured by the contact process. Here, the catalyst used is V₂O₅. The reaction of which is mentioned below- 2 2 2 2 7 2 2 4 2 2 3 3 2 4 2 2 7 S(s)+O (g) SO H S O (l)+H O l H SO (l) 2SO +O 2SO SO (g)+H SO H S O → → → → Thus, the correct option is (b)