Chemistry 9701 · AS & A Level · Reaction kinetics

Reaction kinetics — practice question

A chemical company employed a catalyst in a chemical process. It has now chosen not to use the catalyst, but instead to raise the temperature so that the rate of the reaction stays the same as it was when the catalyst was used. Which statement about the new conditions compared with the original conditions is correct?

  • AThe activation energy has been decreased.
  • BThe activation energy has been increased.
  • CThere are fewer successful collisions per unit time.
  • DThere are more successful collisions per unit time.

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