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JEE Main levelSingle correct optionDifficulty 2 of 3df030

Match the industrial process in List I with the catalyst in List II. List I: (P) Haber process, (Q) Contact process, (R) Ostwald process, (S) Hydrogenation of oils. List II: (1) , (2) Fe with Mo promoter, (3) Pt-Rh gauze, (4) finely divided Ni.

  1. AP-2, Q-1, R-3, S-4
  2. BP-1, Q-2, R-3, S-4
  3. CP-2, Q-1, R-4, S-3
  4. DP-3, Q-1, R-2, S-4

Answer: A

Ammonia synthesis uses Fe with Mo; oxidation uses ; ammonia oxidation to NO uses Pt-Rh gauze; oil hydrogenation uses Ni. This gives P-2, Q-1, R-3, S-4.
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