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Collision theory of reaction rate

Quiz by Nalini D PSGRKCW

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5 questions
Show answers
  • Q1
    According to collision theory of reaction rate, which of the following would increase the rate of reaction?
    Increasing the concentration of reactants.
    Decreasing the surface area.
    Decreasing the temperature.
    Decreasing the pressure.
    30s
  • Q2
    What is the collision theory of reaction rate?
    A theory that explains the role of catalysts in chemical reactions.
    A theory that explains how chemical reactions occur and why reaction rates differ.
    A theory that explains the properties of electrons in chemical reactions.
    A theory that explains how energy is transferred during a chemical reaction.
    30s
  • Q3
    What is activation energy?
    The amount of energy required for a substance to change state.
    The amount of energy required for a reaction to occur.
    The amount of energy released during a reaction.
    The amount of energy required to break a reactant into smaller pieces.
    30s
  • Q4
    Which of the following factors affects the rate of a chemical reaction?
    Pressure.
    Temperature.
    Concentration of reactants.
    All of the above.
    30s
  • Q5
    Which of the following is NOT a factor that affects the rate of a chemical reaction according to collision theory?
    Temperature.
    The color of the reactants.
    Surface area of reactants.
    Concentration of reactants.
    30s

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