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ICSE Class 10 Chemistry Question 9 of 23

Solved 2024 Specimen Paper ICSE Class 10 Chemistry — Question 14

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14
Question

Question 1(xiv)

The catalyst used in Ostwald’s process is ............... .

  1. Finely divided iron
  2. Graphite
  3. Vanadium pentoxide
  4. Platinum
Answer

The catalyst used in Ostwald’s process is platinum.

Reason — Ostwald’s process :

4NH3+5O2→700−800°CPt4NO+6H2O+21.5K cals4\text{NH}_3 + 5\text{O}_2 \xrightarrow[700-800 \degree\text{C}]{\text{Pt}} 4\text{NO} + 6\text{H}_2\text{O} + 21.5 \text{K cals}

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