Question

mechanism of catalyst in detail​

Answer 1

A catalyst is a substance that speeds up the rate of a chemical reaction but is not consumed during the course of the reaction.

Many catalysts work in the same way. They provide a means for the reactant molecules to break bonds and then form temporary bonds with the catalyst. This means the catalyst must be somewhat reactive, but not too reactive (since we don't want these bonds to be permanent). For example, Pt metal serves as a catalyst for many reactions involving hydrogen gas or oxygen gas.