MDCAT Chemistry MCQ #2783

A catalyst increases the rate of a reaction by?

MDCAT Chemistry MCQ #2783

  1. Question 1

    Q1. A catalyst increases the rate of a reaction by?

    • A) Lowering the activation energy
    • B) Increasing the activation energy
    • C) Changing the equilibrium constant
    • D) Increasing the concentration of reactants

    Answer: Lowering the activation energy

    Explanation: Catalyst lowers activation energy; it doesn't change equilibrium constant or concentration.