JEE Main · 2022 · 26 Jul 2022 · Shift 1 · Surface Chemistry

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Match List - I with List - II.

List - I
(Processes/Reactions)
(A) 2SO₂(g) + O₂(g) → 2SO₃(g)
(B) 4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g)
(C) N₂(g) + 3H₂(g) → 2NH₃(g)
(D) Vegetable oil (l) + H₂ → Vegetable ghee(s)

List - II
(Catalyst)
(I) Fe(s)
(II) Pt(s)-Rh(s)
(III) V₂O₅
(IV) Ni(s)

Choose the correct answer from the options given below:

Answer: A → III, B → II, C → I, D → IV

Solution

Match each industrial process with its characteristic catalyst:
  • 2SO₂ + O₂ → 2SO₃: Contact process for sulfuric acid production uses V₂O₅ catalyst.
  • 4NH₃ + 5O₂ → 4NO + 6H₂O: Ostwald's process for nitric acid production uses Pt-Rh catalyst.
  • N₂ + 3H₂ → 2NH₃: Haber's process for ammonia synthesis uses Fe(s) catalyst.
  • Vegetable oil + H₂ → Vegetable ghee: Hydrogenation of oils uses Ni(s) catalyst.

Correct matching: (A)-(III), (B)-(II), (C)-(I), (D)-(IV).

JEE Main · 2022 · 26 Jul 2022 · Shift 1 · Match the columns

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