MDCAT Chemistry MCQ #5119

Catalysis involves a substance that

MDCAT Chemistry MCQ #5119

  1. Question 1

    Q1. Catalysis involves a substance that

    • A) Increases the activation energy
    • B) Decreases the activation energy
    • C) Changes the equilibrium constant
    • D) Does not affect the reaction rate

    Answer: Decreases the activation energy

    Explanation: A catalyst lowers the activation energy, thus speeding up the reaction. It doesn't change the equilibrium constant.