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Select the correct statement:

$\begin{array}{1 1}(a)\;\text{Activation energy for a reaction may be zero}\\(b)\;\text{The reaction having rate }=K[A][B]^{3/2}\;\text{can be an elementary reaction}\\(c)\;k=Ae^{-E/Rt},\text{E is energy above which all the colliding molecules will react}\\(d)\;k=Ae^{-E/Rt},\text{E is energy below which colliding molecules will not react.}\end{array}$

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Answer: $\;k=Ae^{-E/Rt},\text{E is energy below which colliding molecules will not react.}$
The activation energy is the threshold energy that the reactant(s) must acquire before reaching the transition state.
answered Dec 16, 2013 by sreemathi.v
edited Jul 26, 2014 by balaji.thirumalai

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