Which of the following is not correct reason for the substantially lower rate of reaction than the collision frequency?
A
All the collisions do not attain threshold energy level
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B
The activated complex formed is short lived
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C
All the collisions do not have proper orientation
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D
Effective collision are lesser in number than all collisions
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Solution
The correct option is C The activated complex formed is short lived Option (B) is correct. If there is substantially lower rate of reaction than the collision frequency then the activated complex formed will be long-lived and the reaction will proceed at a slower rate. Because of low energy, the activated complex exists for an extremely long period of time and activated complex will neither reforms to form products.