Catalyst used in Haber's process for manufacturing of NH3 is:
Correct answer: A. Fe(MgO, Al2O, SiO2).
- A. Fe(MgO, Al2O, SiO2).
- B. Al2O3
- C. MgO.
- D. SiO2
Explanation
Optimum conditions for the reasonable yield of ammonia:(i) Temperature around 673K (400°B).(ii) Pressure about 200-300atm.(iii) Pieces of iron crystals embedded in fused mixture of MgO, Al2O3 and SiO2.
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About Chemical Equilibrium
Reversible reactions reach dynamic equilibrium when forward and reverse rates become equal, and Le Chatelier's principle predicts the effect of changing concentration, pressure or temperature. The chapter also covers solubility product, the common ion effect, buffer action and the conditions used in Haber's process, with equilibrium shifts distinguished from changes in the equilibrium constant.
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