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ICSE Class 10 Chemistry Question 4 of 23

Model Paper 3 — Question 8

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8
Question

Question 1(viii)

The catalyst preferred in Haber's process is:

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

Finely divided iron

Reason — The speed of the reaction is improved by using a catalyst, which is finely divided iron, obtained by the reduction of iron oxide. It provides a surface for the reaction to occur and lowers the activation energy, allowing the reaction to proceed faster at given temperature and pressure