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WBJEE · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

During the preparation of \(\mathrm{NH}_3\) in Haber's process, the promoter(s) used is / are -

  1. A \(\mathrm{PtO}_2\)
  2. B Mo
  3. C Mix of \(\mathrm{Al}_2 \mathrm{O}_3\) and \(\mathrm{K}_2 \mathrm{O}\)
  4. D Fe and Mn
Verified Solution

Answer & Solution

Correct Answer

(C) Mix of \(\mathrm{Al}_2 \mathrm{O}_3\) and \(\mathrm{K}_2 \mathrm{O}\)

Step-by-step Solution

Detailed explanation

Mo was used as promoter earlier. Now \(\mathrm{K}_2 \mathrm{O}\) and \(\mathrm{Al}_2 \mathrm{O}_3\) are used as promoter.