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Magnesium (IV) oxide is known to hasten the decomposition of hydrogen peroxide. Its main action...

Chemistry
JAMB 1991
Magnesium (IV) oxide is known to hasten the decomposition of hydrogen peroxide. Its main action is to?
  • A. increase the surface area of the reactants
  • B. increase the concntration of the reactants
  • C. lower the activation energy for the reaction
  • D. lower the heat of reaction, ∆H, for the reaction
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Correct Answer: Option C
Explanation
As a catalyst, MnO2 lowers activation energy of a reaction.
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