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Unilorin Post-UTME Chemistry 2022 (Model questions) Question 10

Question 10

Rates of Reaction

In a chemical reaction, when the energy of the colliding reactant particles is less than the activation energy, the reaction will

  1. A.be spontaneous
  2. B.not occur
  3. C.occur
  4. D.be slow
Show the answer and explanation

Answer: B (not occur)

Explanation

Particles must collide with at least the activation energy to react; with less energy the collisions are not effective and no reaction occurs.