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Question

What is an intermediate complex theory of catalysis?


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Solution

Intermediate complex theory of catalysis:

  • This theory deals with the mechanism of homogenous catalysis.
  • According to this theory, the catalyst participating in a reaction reacts with one of the reactants to form an intermediate, that reacts with another reactant and leads to the production of new substances.
  • In a homogeneous reaction, the catalyst is in the same phase as the reactants and in this reaction at the end, the catalyst is generated back.
  • The general description of this reaction can be depicted as:

Overallreaction:A+BP

[A]+catalystIntermediateIntermediate+[B][P]

Example of Intermediate complex theory of catalysis:

2SO2(g)+O2(g)NO2SO3(g)

  • The chemical reactions can be depicted as:

2NO(g)+O2(g)2NO2(g)NO2(g)+SO2(g)SO3(g)+NO(g)


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