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# Large increase in the rate of reaction due to rise in temperature is due to :

$(A)\;\text{Increase in collision frequency } \\ (B)\;\text{Lowering of activation energy} \\(C)\;\text{Increase in number of effective collision } \\(D)\;\text{None of these }$
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More is the number of effective collisions, more will be rate of reaction.
The increase in temperature results in increase in kinetic energy of molecules.
Hence C is the correct answer.
answered Apr 3, 2014 by