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Question

What are the limitations of a catalyst?


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Solution

Catalyst:

  • A catalyst is a substance that alters the rate of reaction by not undergoing any change in itself.
  • Usually, a catalyst speeds up the reaction.
  • A catalyst form temporary complexes or reaction intermediate and lowers the activation energy needed to start the reaction.

Limitations of a catalyst:

  • Catalysts are expensive.
  • Sometimes, a catalyst can be toxic in nature.
  • A catalyst gets affected by impurities in a chemical reaction and stops working.
  • In order to make more than one product, more catalysts are required in the chemical reaction.
  • Catalysts decrease the activation energy required for a reaction to proceed, thereby increasing the rate of reaction.

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