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MHT CET202620 April 2026Evening ShiftChemistryChemical KineticsActual

What is the role of catalyst in reaction?

Options

  1. ATo increase activation energy of a reaction
  2. BTo decrease the equilibrium constant of the reaction
  3. CTo supply energy to the reactants
  4. DTo decrease activation energy of a reaction

Correct answer

D. To decrease activation energy of a reaction

Step-by-step solution

A catalyst increases the rate of a chemical reaction by providing an alternative reaction pathway that has a lower activation energy. It does not alter the equilibrium constant, nor does it supply energy to the reactants. Therefore, the primary role of a catalyst is to decrease the activation energy of a reaction. Answer: To decrease activation energy of a reaction

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