The rate constant ( k ) of a reaction is measured at different temperature ( T ) , and the data are plotted in the given figure. the activation energy of the reaction in kJmol - 1 is : ( R is gas constant)

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Correct answer: D. 2 R

k = Ae - Ea / RT In k = I n A − E a R 1 T In k = I n A − E a R × 10 3 10 3 T Slope of graph = − E a R × 10 3 = − 10 5 E a = 2 R × 10 3 J E a = 2 R × k J

The rate constant ( k ) of a reaction is measured at different temperature ( T ) , and the data are plotted in the given figure. the activation energy of the reaction in kJmol - 1 is : ( R is gas constant)

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