outer-sphere mechanism: [Cr(OH2)6]2+ + [IrCl6]2- ⇄ [Cr(OH2)6]3+ + [IrCl6]3- inner-sphere mechanism: [Cr(OH2)6]2+ + [IrCl6]2- ⇄ [Cr(OH2)5Cl]2+ + [IrCl5(OH2)]2- a) Please draw the sequence of reactions that leads to the products on the inner-sphere redox mechanism. Be sure to note the lability or interness of each complex based upon their dn configuration. b) The outer-sphere mechanism has a fairly large rate constant (ca. 109 M-1 s-1) which means that there must be a very small activation barrier for this reaction. If that is true, what conclusions can we draw about the bond lengths in the reduced and oxidized forms of the Cr and Ir complexes?
outer-sphere mechanism: [Cr(OH2)6]2+ + [IrCl6]2- ⇄ [Cr(OH2)6]3+ + [IrCl6]3- inner-sphere mechanism: [Cr(OH2)6]2+ + [IrCl6]2- ⇄ [Cr(OH2)5Cl]2+ + [IrCl5(OH2)]2- a) Please draw the sequence of reactions that leads to the products on the inner-sphere redox mechanism. Be sure to note the lability or interness of each complex based upon their dn configuration. b) The outer-sphere mechanism has a fairly large rate constant (ca. 109 M-1 s-1) which means that there must be a very small activation barrier for this reaction. If that is true, what conclusions can we draw about the bond lengths in the reduced and oxidized forms of the Cr and Ir complexes?
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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outer-sphere mechanism: [Cr(OH2)6]2+ + [IrCl6]2- ⇄ [Cr(OH2)6]3+ + [IrCl6]3-
inner-sphere mechanism: [Cr(OH2)6]2+ + [IrCl6]2- ⇄ [Cr(OH2)5Cl]2+ + [IrCl5(OH2)]2-
a) Please draw the sequence of reactions that leads to the products on the inner-sphere redox mechanism. Be sure to note the lability or interness of each complex based upon their dn configuration.
b) The outer-sphere mechanism has a fairly large rate constant (ca. 109 M-1 s-1) which means that there must be a very small activation barrier for this reaction. If that is true, what conclusions can we draw about the bond lengths in the reduced and oxidized forms of the Cr and Ir complexes?
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