Collision Theory of Reaction Rate





A chemical reaction between reactants is a result of effective collision between molecules of these reactants.

  • An effective collision takes place only when:

(i)                  Molecules under going collisions have enough kinetic energy to cause a reaction. It is known as Threshold Energy (T.E.)

T. E. =Potentia1 Energy of Reactants Activation Energy

  • Activation energy is minimum external energy needed to cause a reaction or to make potential energy equal to thresh hold energy.

(ii)                Collision molecules must have proper orientation.

collision theory of reaction rate

Collision theory of reaction rate




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