Chemistry 9701 · AS & A Level · Reaction kinetics

Reaction kinetics — practice question

The diagram illustrates the Boltzmann distribution for the energy of gaseous molecules at a given temperature. Which statement is correct?

  • AIf the temperature of the gas is raised, the height of the maximum of the curve increases.
  • BIf the temperature of the gas is raised, the maximum of the curve moves to the right.
  • CThe length of the line labelled X shows the activation energy for the reaction.
  • DThe length of the line labelled Y shows the enthalpy change of the reaction.

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