Homogenous catalysts

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4 Terms

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Homogenous catalyst

A homogenous catalyst is in the same phase as the reactants

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Process

  • Catalyst reacts with a reactant to form a reactive intermediate species

  • Intermediate species reacts to form product faster than original reactant and regenerates catalyst

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Iodide ion and sodium thiosulphate ion

  • Original reaction would be slow as both ions are negative and would repel

<ul><li><p>Original reaction would be slow as both ions are negative and would repel</p></li></ul><p></p>
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Autocatalysis

  • When the reaction is catalysed by one of the products

  • e.g. Manganese Oxide ions

<ul><li><p>When the reaction is catalysed by one of the products</p></li><li><p>e.g. Manganese Oxide ions</p></li></ul><p></p>