Catalyst used in Haber's process for ammonia production is_________________?
Correct answer: B. Reduced iron oxide
- A. Nickel
- B. Reduced iron oxide
- C. Vanadium pentoxide
- D. Silica gel
Explanation
The Haber process uses an iron catalyst, generally prepared by reducing promoted magnetite or iron oxide to active iron. Nickel is associated mainly with hydrogenation reactions, while vanadium pentoxide is used in sulphuric acid manufacture.
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