Chemistry 9701 · AS & A Level · Reaction kinetics

Reaction kinetics — practice question

Hydrogen ions act as catalysts for the hydrolysis of esters. Which of the following statements is correct?

  • AThe hydrogen ions act as a heterogeneous catalyst.
  • BThe hydrogen ions are in the same phase as the reactants.
  • CThe hydrogen ions are used up in the reaction.
  • DThe hydrogen ions have no effect on the activation energy of the reaction.

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