Consider the following information for Problems 4-7.Below is a proposed mechanism for the formation of HI from I2 and H2.k₁12 (1)21-(aq)fastkjI- (aq) + H2(g)-H₂I (aq)fastkzk₁H₂I (aq) + I-(aq)2 HI (aq)slow4. Which of the following molecules is an intermediate? Choose the best answer.A. H₂В.ГC. H₂ID. I and H₂IE. HI5. You are trying to show that the rate law for this proposed mechanism matches an experimentallydetermined one. What is the expression for overall or k' for the proposed mechanism?Give your answer in the #5 blank.6. If this is a valid mechanism, what is the overall reaction order?

Step 1:For any reaction value of equilibrium constant is always equal to the ratio of rate constant…

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Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter20: Dienes, Conjugated Systems, And Pericyclic Reactions

Section: Chapter Questions

Problem 20.27P

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Question

Consider the following information for Problems 4-7.
Below is a proposed mechanism for the formation of HI from I2 and H2.
k₁
12 (1)
21-(aq)
fast
kj
I- (aq) + H2(g)
-
H₂I (aq)
fast
kz
k₁
H₂I (aq) + I-(aq)
2 HI (aq)
slow
4. Which of the following molecules is an intermediate? Choose the best answer.
A. H₂
В.Г
C. H₂I
D. I and H₂I
E. HI
5. You are trying to show that the rate law for this proposed mechanism matches an experimentally
determined one. What is the expression for overall or k' for the proposed mechanism?
Give your answer in the #5 blank.
6. If this is a valid mechanism, what is the overall reaction order?

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