25 Chemical Equilibrium MCQ1
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Questions and Answers

What is the primary purpose of Le Chatelier's Principle?

  • To describe the state of chemical equilibrium
  • To calculate the equilibrium constant of a reaction
  • To predict the direction of a reversible reaction
  • To minimize the effect of a stress on a system at equilibrium (correct)

    • What is the only factor that affects the equilibrium constant of a reaction?

  • Temperature of the system (correct)
  • Pressure of the system
  • Concentration of reactants
  • Surface area of the reactants

    • What is the definition of chemical equilibrium?

  • A state where there is no reaction occurring
  • A state where the rates of the forward and reverse reactions are equal (correct)
  • A state where the reverse reaction is faster than the forward reaction
  • A state where the forward reaction is faster than the reverse reaction

    • In a reversible reaction, what is the effect of a stress on the system at equilibrium?

    <p>The dynamic balance shifts to minimise the effect of the stress.</p> Signup and view all the answers

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