Chemical Kinetics Quiz
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Questions and Answers

Which of the following is a key objective of studying Chemical Kinetics?

  • To discuss the dependence of rate of reactions on concentration, temperature and catalyst
  • To define the average and instantaneous rate of a reaction (correct)
  • To determine the rate constants for zeroth and first order reactions
  • To describe collision theory

    • What does the rate of a reaction express?

  • The change in concentration of the reactants (correct)
  • The change in concentration of the products
  • The change in temperature of the reactants
  • The change in pressure of the products

    • What is the difference between elementary and complex reactions?

  • Elementary reactions involve only one reactant, while complex reactions involve multiple reactants
  • Elementary reactions have a lower rate constant than complex reactions
  • Elementary reactions have a higher activation energy than complex reactions
  • Elementary reactions occur in a single step, while complex reactions occur in multiple steps (correct)

    • What is the molecularity of a reaction?

    <p>The number of molecules involved in the reaction</p> Signup and view all the answers

    What does collision theory describe?

    <p>The dependence of rate of reactions on concentration, temperature, and catalyst</p> Signup and view all the answers

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