Question

what are homogeneous and heterogeneous catalysis? mention two example of each​

Answer 1

Homogeneous catalysis has the catalyst in the same phase as the reactants. Most examples of heterogeneous catalysis go through the same stages: One or more of the reactants are adsorbed on to the surface of the catalyst at active sites. Adsorption is where something sticks to a surface.

An example of a homogeneous catalysis is one wherein the catalyst and the reactants are in the gaseous phase. An example is acid catalysis.

Hydrolysis of aqueous sucrose solution in the presence of aqueous mineral acid. Solution : 2H2O2(I)→Pt(s)2H2O(l)+O2(g) is an example of heterogeneous catalysis as reactant is liquid, products are liquid gas while catalyst is in solid state.

Answer 2

Explanation:

Homogeneous catalysis refers where catalysis is in same phase as reactants whereas in heterogeneous catalysis where catalysis and substrate are in distinct phase respectively

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