Which of the following combinations of conditions may increase the rate of a chemical reaction?

  • A Decrease in temperature, increase in concentration of the reactants
  • B Increase in temperature, addition of a catalyst, decrease in the surface area of the reactants
  • C Increase in temperature, increase in concentration, addition of a catalyst and increase in the surface area of the reactants
  • D Decrease in temperature concentration and surface area of the reactants
  • E Additionof a catalyst and in the absence of light
jamb 1982chemistry

The correct answer is C. Increase in temperature, increase in concentration, addition of a catalyst and increase in the surface area of the reactants

Increase in temperature, increase in concentration, increase the rate of chemical reaction

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