Activation energy (Ea) and rate constant (k1 and k2) of a chemical reaction at two different temperatures (T1 and T2) are related by :
A
lnk2k1=−EaR(1T2−1T1)
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B
lnk2k1=−EaR(1T2+1T1)
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C
lnk1k2=EaR(1T1−1T2)
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D
lnk2k1=−EaR(1T1−1T2)
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Solution
The correct option is Blnk2k1=−EaR(1T2−1T1) Activation energy (Ea) and rate constant (k1 and k2) of a chemical reaction at two different temperatures (T1 and T2) are related by Arrhenius equation which can be represented as either lnk2k1=−EaR(1T2−1T1)