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Which of the following factors affect the rate of reaction?

Option: 1

Nature of reactant and product


Option: 2

Physical state of reactant and product


Option: 3

Surface area of the reactant


Option: 4

All of the above


Answers (1)

best_answer

All of the given factors affect the rate of reaction.

  • Nature of reactant and product: 
    • For ionic reactants reaction rate is fast as activation energy is zero for them. 
    • Molecules have slow reaction rate due to need of more activation energy.
  • Physical state of reactants: Rate also changes with physical state.
    Gaseous states > Liquid states > Solid states
  • Surface Area: Greater the surface area, faster is the rate of reaction due to more number of active sites.

Hence, the correct answer is Option (4)

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