Question

Which oxides are used as promoters in habers process?

Answer 1

Promoters are added in the catalyst to speed up the reactions. They are not catalyst themselves however they are present to shoulder the possible reaction that can help in the production of the desired quantities. It is a method of producing ammonia derived from the nitrogen in the atmosphere and hydrogen gas.

Answer 2

Explanation:

Assertion (A): In the synthesis of ammonia by Haber's process, mixture of potassium and aluminium oxides can be used as promoter. Reason (R): Promoter enhances the activity of catalyst.