Chemistry 9701 · AS & A Level · Reaction kinetics

Reaction kinetics — practice question

The diagram illustrates a Boltzmann distribution for the molecular energies in a gaseous mixture. A peak on the diagram is labelled P. What happens when an effective catalyst is added to the mixture?

  • AThe height of the peak decreases and the activation energy moves to the right.
  • BThe height of the peak decreases and the activation energy moves to the left.
  • CThe height of the peak remains the same and the activation energy moves to the right.
  • DThe height of the peak remains the same and the activation energy moves to the left.

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