Worksheet: Zeroth-Order Rate Plots

In this worksheet, we will practice plotting concentration–time data for zeroth-order reactions to calculate the rate constants and initial concentrations.


During a reaction, the rate of reaction 𝑅 and the concentration of a reactant A are measured as functions of the reaction time, 𝑡. All other reactants are in large excess. Which of the following graphs would not produce a straight line if the reaction is of the zeroth order with respect to A?

  • A1[]A against 1𝑡
  • B1𝑅 against 𝑡
  • C𝑅 against []𝑡A
  • D1𝑅 against ln𝑡
  • E[A] against ln𝑡

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