According to Arrhenius equation, rate constant of a chemical reaction is equal to:

A e^{- E_{a} / R T}

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A e^{E_{a} / R T}

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A e^{R T / E_{a}}

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A e^{- R T / E_{a}}

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Solution

The correct option is A $A e^{- E_{a} / R T}$
Arrhenius equation states:
$k = {A e}^{\frac{- E_{a}}{k_{b} T}}$
Or
$k = {A e}^{\frac{- E_{a}}{R T}}$ (for 1 mole reaction)

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k = A e^{- E a / R T}

E_{a}

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k = A e^{- E_{a} / R T}

e^{- E_{a} / R T}

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e^{- E_{a} / R T}

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