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Reactivity 2.2.10—The order of a reaction with respect to a reactant is the exponent to which the concentration of the reactant is raised in the rate equation.

Experiments

Here are experiments our science specialists have selected to support this IB* topic.

The Rate and Order of a Chemical Reaction

Experiment #25 from Advanced Chemistry with Vernier

In this experiment, you will

  • Conduct the reaction of KI and FeCl3 using various concentrations of reactants.
  • Determine the order of the reaction in KI and FeCl3.
  • Determine the rate law expression for the reaction.

Educational Standard
International Baccalaureate (IB) 2025
Subject
Chemistry
Organizing concepts
Reactivity 2. How much, how fast and how far?
Subtopics
Reactivity 2.2—How fast? The rate of chemical change
Level
Additional higher level

* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.

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