WAEC Chemistry 2024 Objective — Question 25
Question 25 of 50 from the West African Examinations Council (WAEC) Chemistry 2024 Objective paper, with the correct answer and a full explanation.
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25. Catalysts alter reaction rate by
- A. providing an alternative reaction pathwayCorrect
- B. lowering the energy of reaction
- C. increasing the surface area of reactants
- D. aligning the reactant molecules properly
Explanation
Catalysts lower the activation energy by providing an alternative reaction pathway (they do not change the enthalpy/energy of reaction).
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