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Questions and Answers
Which of the following factors affects the rate of a reaction by altering the frequency of collisions between reactant particles?
Which of the following factors affects the rate of a reaction by altering the frequency of collisions between reactant particles?
- Surface area
- Temperature (correct)
- Concentration
- Light
What is the primary reason why an increase in surface area of a reactant leads to an increase in the rate of reaction?
What is the primary reason why an increase in surface area of a reactant leads to an increase in the rate of reaction?
- Increased frequency of collisions between reactant particles
- Increased concentration of reactant particles
- Decreased activation energy required for the reaction
- Increased number of active sites for reaction to occur (correct)
Which of the following factors is least likely to affect the rate of a reaction involving light?
Which of the following factors is least likely to affect the rate of a reaction involving light?
- Surface area of reactants (correct)
- Intensity of light
- Wavelength of light
- Concentration of reactants
What is the primary way in which the nature of the reactants affects the rate of a reaction?
What is the primary way in which the nature of the reactants affects the rate of a reaction?
Which of the following statements is true about the effect of concentration on the rate of a reaction?
Which of the following statements is true about the effect of concentration on the rate of a reaction?
Study Notes
Factors Affecting Reaction Rate
- Temperature affects the rate of a reaction by altering the frequency of collisions between reactant particles.
- An increase in surface area of a reactant leads to an increase in the rate of reaction because more reactant particles are exposed to collide.
Factors Unrelated to Reaction Rate
- The presence of light is least likely to affect the rate of a reaction involving light.
Reactant Nature and Reaction Rate
- The nature of the reactants affects the rate of a reaction primarily through the ease of bond-breaking and formation.
Concentration and Reaction Rate
- An increase in concentration of reactants leads to an increase in the rate of reaction, as more reactant particles are available to collide.
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Description
Quiz on factors influencing the rate of chemical reactions, including light, temperature, concentration, and surface area.
