Question

Most heterogeneous catalysts of importance are extremely finely divided solid materials. Why is the particle size important?

Answer 1

The particle size is important because the more finely divided the solid is , the faster the reaction happen. A powdered solid will normally produce a faster reaction because it has greater surface area than the single lump

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Answer 2

The particle size is significant because the finer the material is divided, the faster the reaction occurs. Because it has a larger surface area than a single lump, a powdered solid will usually induce a faster reaction.

Define heterogeneous catalysts.

Catalysis in which the phase of a catalysts differs from the reactants or products is known as heterogeneous catalysis. In contrast, catalyst occurs when the reactants, products, plus catalyst are all present in the same phase.

The particle size is significant because the finer the material is divided, the faster the reaction occurs. Because it has a larger surface area than a single lump, a powdered solid will usually induce a faster reaction.

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