A simplified version of the computed energy profile for the Wittig reaction of a stabilised ylide that we saw in the Introduction is shown below, with energy differences in kJ mol¹¹. Ph 120 OMe Ald + Ylide 42 Ph k₁ Oxaphosphetane (OP) K-1 24 OP CO₂Me that k_₂ 200 Ph CO₂Me Alk + Oxide Remember that rate constants k are related to activation energies E₂: k = Ae-Ea/RT (R = 0.00831 kJ mol-¹ K-¹) 1. Which is the rds? 2. Predict the rate equation. 3. Assuming that the A values for the steps are all 10¹0, calculate the rate constants k₂, k.₁, k₂ and k.₂ at 350 K. 4. Is the 2nd step reversible at 350 K?
A simplified version of the computed energy profile for the Wittig reaction of a stabilised ylide that we saw in the Introduction is shown below, with energy differences in kJ mol¹¹. Ph 120 OMe Ald + Ylide 42 Ph k₁ Oxaphosphetane (OP) K-1 24 OP CO₂Me that k_₂ 200 Ph CO₂Me Alk + Oxide Remember that rate constants k are related to activation energies E₂: k = Ae-Ea/RT (R = 0.00831 kJ mol-¹ K-¹) 1. Which is the rds? 2. Predict the rate equation. 3. Assuming that the A values for the steps are all 10¹0, calculate the rate constants k₂, k.₁, k₂ and k.₂ at 350 K. 4. Is the 2nd step reversible at 350 K?
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.33PAE: The following experimental data were obtained for the reaction of \'I14* and NOf in acidic solution....
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