Question

explain catalytic promoter and catalytic poison with example​

Answer 1

Answer:

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A catalyst promoter increases the efficiency of a catalyst while a poison decreases the efficiency of the catalyst.

Substances that destroy the activity of the catalyst by their presence are known as catalytic poisons. For example, the platinum catalyst used in the oxidation of hydrogen is poisoned by CO

Answer 2

A catalytic promoter increase catalyst efficiency and speeds up the reaction
Vice versa for catalytic poison