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Derive general rate law, organometallic (That's all the info, nothing else) Consider an 18-electron complex (diene) Cr(CO)4. Reaction with a ligand L (such as a phosphine, for example) generally results in complete displacement of the diene ligand to give Cr(CO)4L2; the plausible intermediate where a single L has been added and only one of the diene double bonds remains coordinated reacts much too rapidly with additional L to be isolated (or even observed). Formation of that intermediate could in principle proceed via either a dissociative mechanism or an interchange mechanism. Assuming that both mechanisms operate, use the steady-state approximation to derive the general rate law for the reaction, and sketch what a plot of rate vs. [L] would look like. Then show how the rate law would simplify if only one of the two alternative mechanisms were significant and sketch the corresponding rate vs. [L] plots for each of those cases. OC OC CO DCr(CO)4 OC PEt3 PEt3 OC PEt3 Cr(CO)4L2 CO CO OC. OC major intermediates: OC OC PEt3 CO CO D*Cr(CO)4 D*Cr(CO)4L

Derive general rate law, organometallic (That's all the info, nothing else) Consider an 18-electron complex (diene) Cr(CO)4. Reaction with a ligand L (such as a phosphine, for example) generally results in complete displacement of the diene ligand to give Cr(CO)4L2; the plausible intermediate where a single L has been added and only one of the diene double bonds remains coordinated reacts much too rapidly with additional L to be isolated (or even observed). Formation of that intermediate could in principle proceed via either a dissociative mechanism or an interchange mechanism. Assuming that both mechanisms operate, use the steady-state approximation to derive the general rate law for the reaction, and sketch what a plot of rate vs. [L] would look like. Then show how the rate law would simplify if only one of the two alternative mechanisms were significant and sketch the corresponding rate vs. [L] plots for each of those cases. OC OC CO DCr(CO)4 OC PEt3 PEt3 OC PEt3 Cr(CO)4L2 CO CO OC. OC major intermediates: OC OC PEt3 CO CO D*Cr(CO)4 D*Cr(CO)4L

Chemistry
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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Derive general rate law, organometallic (That's all the info, nothing else) Consider an 18-electron complex (diene) Cr(CO)4. Reaction with a ligand L (such as a phosphine, for example) generally results in complete displacement of the diene ligand to give Cr(CO)4L2; the plausible intermediate where a single L has been added and only one of the diene double bonds remains coordinated reacts much too rapidly with additional L to be isolated (or even observed). Formation of that intermediate could in principle proceed via either a dissociative mechanism or an interchange mechanism. Assuming that both mechanisms operate, use the steady-state approximation to derive the general rate law for the reaction, and sketch what a plot of rate vs. [L] would look like. Then show how the rate law would simplify if only one of the two alternative mechanisms were significant and sketch the corresponding rate vs. [L] plots for each of those cases. OC OC CO DCr(CO)4 OC PEt3 PEt3 OC PEt3 Cr(CO)4L2 CO CO OC. OC major intermediates: OC OC PEt3 CO CO D*Cr(CO)4 D*Cr(CO)4L
Transcribed Image Text:Derive general rate law, organometallic (That's all the info, nothing else) Consider an 18-electron complex (diene) Cr(CO)4. Reaction with a ligand L (such as a phosphine, for example) generally results in complete displacement of the diene ligand to give Cr(CO)4L2; the plausible intermediate where a single L has been added and only one of the diene double bonds remains coordinated reacts much too rapidly with additional L to be isolated (or even observed). Formation of that intermediate could in principle proceed via either a dissociative mechanism or an interchange mechanism. Assuming that both mechanisms operate, use the steady-state approximation to derive the general rate law for the reaction, and sketch what a plot of rate vs. [L] would look like. Then show how the rate law would simplify if only one of the two alternative mechanisms were significant and sketch the corresponding rate vs. [L] plots for each of those cases. OC OC CO DCr(CO)4 OC PEt3 PEt3 OC PEt3 Cr(CO)4L2 CO CO OC. OC major intermediates: OC OC PEt3 CO CO D*Cr(CO)4 D*Cr(CO)4L
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