Consider two first-order reactions I and II. The frequency factor of I is 100 times that of II, the activation energy of I is 4.606 kcal higher than that of II. If the ratio of rate constants for the

Question

Consider two first-order reactions I and II. The frequency factor of I is 100 times that of II, the activation energy of I is 4.606 kcal higher than that of II. If the ratio of rate constants for the reactions I and II is x : 1 at 22 7 ∘ C , then the value of x is

TestHub · Accepted Answer

K II ​ K I ​ ​ = A II ​ ⋅ e − E a II ​ ​ / RT A I ​ ⋅ e − E a I ​ ​ / RT ​ = A II ​ A I ​ ​ ⋅ e − ( E a I ​ ​ − E a II ​ ​ ) / RT 100 × e − 4.606 × 1 0 3 / ( 2 × 500 ) = 1

Chemistry - Chemical Kinetics Question with Solution | TestHub

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