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ICSE Class 10 Answered

Why only Molybdenum is used as a promotor in Haber's process?

 

Asked by kartikmangaliya22.10spicertl | 27 May, 2020, 10:01: PM
Expert Answer

Substances which influence the rate of a chemical reaction by improving the efficiency of the catalyst are called promoters. 

In the manufacture of ammonia, iron acts as a catalyst. Molybdenum is added and functions as a promoter by improving the efficiency of iron. 

N2 + 3H2  2NH3 

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