The catalytic action of nitric oxide to break down ozone and from molecular oxyg

Question

The catalytic action of nitric oxide to break down ozone and from molecular oxygen is an example of a catalytic reaction that occurs in one phase. If the reactants and the the catalytic destruction of ozone, the catalysis is known as homogeneous catalysis. A catalyst may also be in a different phase than that of the reactants. If the reactants and catalysis is known as heterogeneous catalysis. Depending on what phases they exhibit, classify the following room-temperature reactions catalysis or heterogeneous catalysis.

Explanation / Answer

Heterogeneous catalysis( reactants and catalyst in different phase).

1) The reaction carbon monoxide and oxygen in the presence of platinum

2) The reaction of sulfur dioxide and oxygen over vanadium oxide

3) Synthesis of nitric acid from ammonia and oxygen in the presence of platinum rhodium gauze.

Homogeneous catalyst(reactant and catalyst in same phase)

1) The reaction of persulfate ion and iodide in water in the presence of iron (III) ions.

2) The reaction of 2,3 dihydroxybutanedioate ions and hydrogen peroxide in the presence of cobalt (III) ions.

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