Chemistry 9701 · AS & A Level · Reaction kinetics

Reaction kinetics — practice question

The enzyme maltase catalyses the reaction between maltose and water. $\text{maltose} + \text{water} \xrightarrow{\text{maltase}} \text{glucose}$ Maltase is specific. Which statement explains the specificity of maltase?

  • AMaltase is a biological catalyst and it is a type of protein.
  • BMaltase is most effective between pH 6.1 and pH 6.8.
  • CMaltase lowers the activation energies of the reactions it catalyses.
  • DMaltase only speeds up a small number of chemical reactions.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI