Which catalyst is used in contact process ?
Correct answer: B. V2O5
- A. Fe2O3
- B. V2O5
- C. SO3
- D. Ag2O
Explanation
The Contact Process uses vanadium(V) oxide, V2O5, as the catalyst for oxidising SO2 to SO3. V2O5 provides an alternative reaction pathway with lower activation energy without being permanently consumed. The likely mistake is choosing SO3, which is a product, not the catalyst.
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About Haber's Process
Haber's process produces ammonia by reacting nitrogen with hydrogen in a reversible, exothermic equilibrium. The topic covers the iron catalyst, operating temperature and pressure, Le Chatelier's principle, the compromise between reaction rate and equilibrium yield, and the removal and recycling of ammonia and unreacted gases.
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