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Which of the following represent the fraction of activated molecules in a chemical reaction

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$e^{- E_{A} / RT}$

$e^{Ea / Rt}$

$- \frac{E_{α}}{RT}$

$10^{- E_{A} / RT}$

answer is B.

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Detailed Solution

In Arrhenius equation, the fraction of effective collisions is given by $e^{- E / RT}$ as it represents the fraction of molecules with energies equal to or greater than $E_{a}$ .

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