Essential Chemistry for IGCSE - Rate Of Reaction (Section 1 - No. 34)
Which of the following describes how a catalyst increases the rate of a reaction?
It increases the kinetic energy of the reactants.
It lowers the activation energy.
It increases the concentration of the reactants.
It increases the temperature of the reaction.
Explanation
A catalyst provides an alternative reaction pathway with lower activation energy, increasing the reaction rate.
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