In Arrhenius equation for a certain reaction, the value of A (Arrhenius factor) and Ea (activation energy) are 1013s−1 and 12.471kJmol−1 respectively. At what temperature, the reaction will have specific rate constant of 10−3s−1?
A
541K
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B
270K
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C
157K
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D
728K
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Solution
The correct option is A541K According to Arrhenius the relationship between temperature and rate constant is given by, k=Ae−Ea/RT
where,
k : Rate constant
A : Arrhenius factor or frequency factor or pre-exponential factor Ea : Activation energy (in J/mol)
R : Gas constant
T : Temperature of reaction (in Kelvin(K))