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NEETChemistryChemical Kinetics

What is the definition of a catalyst?

Options

  1. AA substance that undergoes permanent chemical change during a reaction
  2. BA substance that decreases the rate of a reaction
  3. CA substance that increases the rate of a reaction without undergoing permanent chemical change
  4. DA substance that consumes all reactants in a reaction

Correct answer

C. A substance that increases the rate of a reaction without undergoing permanent chemical change

Step-by-step solution

A catalyst as a substance that increases the rate of a reaction without itself undergoing any permanent chemical change.

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