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So, it is seen that the destruction of ozone can be catalyzed by NO or by Cl. It has been found that the activation energy for the reaction catalyzed by Cl is 2 kJ/mol and for the reaction catalyzed by NO is 12 kJ/mol. Which is the more effective catalyst? Why?

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BioWizard
More effective catalyst would be the one with the lower activation energy, which means it is Cl.
Collisions of the reagents must occur during the chemical reaction and a certain minimum energy called the activation energy is necessary for that reaction. Adding a catalyst has a function to increase the rate of a reaction by lowering that activation energy.

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