It has been found that in acid solution (greater than 1M H3O+) the rate expression rate for the reaction of H2O2 with I- is of the form : rate= k2[H2O2][I-][H3O+], where k2 = .25L2*mol-2*s-1 at 25C. Therefore, the rate law over the whole range of acidity from very acid solutions to a neatural solution is given be a two-term rate expression:rate = k1[H2O2][I-] + K2[H2O][I-][H3O+]Where K1 has the value of .0115L*mol-1*s-1 at 25C. Compare the relative magnitudes of these two terms under the conditions employed in your rate measurements for mixture 1. ( you should find what that the second term makes a negligible contribution to the reaction rate at H3O+ smaller than3 x 10 -4)mixture 1 concentrationsH2O2 = 5.3 x10-5I- = 8.3 x 10 -6H3O = 10-5

Given, Rate = k1 [H2O2][I-] + k2 [H2O][I-][H3O+] Where, k1 = 0.0115 Lmol-1s-1 k2 =…

Answered: It has been found that in acid solution…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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It has been found that in acid solution (greater than 1M H3O⁺) the rate expression rate for the reaction of H2O2 with I- is of the form : rate= k₂[H₂O₂][I^-][H3O⁺], where k₂ = .25L²*mol^-2*s^-1 at 25C. Therefore, the rate law over the whole range of acidity from very acid solutions to a neatural solution is given be a two-term rate expression:

rate = k₁[H₂O₂][I-] + K₂[H2O][I^-][H3O⁺]

Where K₁ has the value of .0115L*mol^-1*s^-1 at 25C. Compare the relative magnitudes of these two terms under the conditions employed in your rate measurements for mixture 1. ( you should find what that the second term makes a negligible contribution to the reaction rate at H₃O⁺ smaller than

3 x 10 ^-4)

mixture 1 concentrations

H2O2 = 5.3 x10^-5

I- = 8.3 x 10 ^-6

H3O = 10^-5

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