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
Correct Answer: Option C
Explanation
As a catalyst, MnO2 lowers activation energy of a reaction.