Question:

According to the adsorption theory of catalysis, the speed of reaction increases because

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Catalysts work by lowering activation energy, not changing equilibrium.
Updated On: Apr 7, 2026
  • adsorption lowers the activation energy of the reaction
  • the concentration of reactant molecules at the active centres of the catalyst becomes high due to adsorption
  • in the process of adsorption, the activation energy of the molecules becomes large
  • adsorption produces heat which increases the speed of the reaction
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The Correct Option is A

Solution and Explanation

Step 1: Understanding the Concept:
Catalyst provides alternative pathway.
Step 2: Detailed Explanation:
Adsorption weakens bonds, lowering activation energy.
Step 3: Final Answer:
Adsorption lowers activation energy.
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