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Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation CoLg2*(aq) with Kẹ = 2.43 x 105. To verify this, an electrochemical %3! concentration cell is constructed. To one half of the cell, the initial concentration of Co2*(aq) is 0.0100 M and the initial concentration of L is 1.00 M. This solution is allowed to reach thermodynamic equilibrium. A Co(s) electrode is added to this solution and it is connected with a wire to a voltmeter to the other half cell, which has a Co(s) electrode and [Co2*(aq)]=1.00M. A salt bridge connects the two half cells. Determine the Ecell (in V) immediately read when the electrodes are in their respective solution at 298 K. Note that the complex cation CoL62*(aq) is a spectator species in this electrochemical concentration cell, it does not participate in a redox reaction.

Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation CoLg2*(aq) with Kẹ = 2.43 x 105. To verify this, an electrochemical %3! concentration cell is constructed. To one half of the cell, the initial concentration of Co2*(aq) is 0.0100 M and the initial concentration of L is 1.00 M. This solution is allowed to reach thermodynamic equilibrium. A Co(s) electrode is added to this solution and it is connected with a wire to a voltmeter to the other half cell, which has a Co(s) electrode and [Co2*(aq)]=1.00M. A salt bridge connects the two half cells. Determine the Ecell (in V) immediately read when the electrodes are in their respective solution at 298 K. Note that the complex cation CoL62*(aq) is a spectator species in this electrochemical concentration cell, it does not participate in a redox reaction.

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
Section: Chapter Questions
Problem 100GQ: Copper(I) ion disproportionates to copper metal and copper(ll) ion. (See Study Question 99.) 2...
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Question 31. Listen Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation CoL62*(aq) with Kf = 2.43 x 105. To verify this, an electrochemical !! concentration cell is constructed. To one half of the cell, the initial concentration of Co2+(aq) is 0.0100 M and the initial concentration of L is 1.00 M. This solution is allowed to reach thermodynamic equilibrium. A Co(s) electrode is added to this solution and it is connected with a wire to a voltmeter to the other half cell, which has a Co(s) electrode and [Co2+(aq)]=1.00M. A salt bridge connects the two half cells. Determine the Ecell (in V) immediately read when the electrodes are in their respective solution at 298 K. Note that the complex cation Col62*(aq) is a spectator species in this electrochemical concentration cell, it does not participate in a redox reaction. Your Answer: Answer units
Transcribed Image Text:Question 31. Listen Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation CoL62*(aq) with Kf = 2.43 x 105. To verify this, an electrochemical !! concentration cell is constructed. To one half of the cell, the initial concentration of Co2+(aq) is 0.0100 M and the initial concentration of L is 1.00 M. This solution is allowed to reach thermodynamic equilibrium. A Co(s) electrode is added to this solution and it is connected with a wire to a voltmeter to the other half cell, which has a Co(s) electrode and [Co2+(aq)]=1.00M. A salt bridge connects the two half cells. Determine the Ecell (in V) immediately read when the electrodes are in their respective solution at 298 K. Note that the complex cation Col62*(aq) is a spectator species in this electrochemical concentration cell, it does not participate in a redox reaction. Your Answer: Answer units
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