(b) [Zn(II)(H2O)6]?* can undergo successive reactions with phen ligands: [Zn(II)(H2O)«(phen)]²* + 2H2O [Zn(1I)(H2O)2(phen)2]?* + 2H2O log K2 = 6.09 [Zn(II)(phen)3]* + 2H2O [Zn(II)(H2O)6]?* + phen log Kn = 6.31 [Zn(1I)(H2O)«(phen)]?* + phen [Zn(II)(H2O)2(phen)2}²* + phen log Ks = 4.77 Explain the decrease in successive log Km values as the number of phen ligands increases and calculate log Ba for the overall reaction: [Zn(II)(H2O)6]?* + 3 phen - (Zn(II)(phen)s]²* + 6H2O (c) Explain why each of the complexes above are colourless and diamagnetic. Which would be more stable: [Ni(II)(phen)3]²* or [Zn(1I)(phen);]²* based on electronic configuration?
(b) [Zn(II)(H2O)6]?* can undergo successive reactions with phen ligands: [Zn(II)(H2O)«(phen)]²* + 2H2O [Zn(1I)(H2O)2(phen)2]?* + 2H2O log K2 = 6.09 [Zn(II)(phen)3]* + 2H2O [Zn(II)(H2O)6]?* + phen log Kn = 6.31 [Zn(1I)(H2O)«(phen)]?* + phen [Zn(II)(H2O)2(phen)2}²* + phen log Ks = 4.77 Explain the decrease in successive log Km values as the number of phen ligands increases and calculate log Ba for the overall reaction: [Zn(II)(H2O)6]?* + 3 phen - (Zn(II)(phen)s]²* + 6H2O (c) Explain why each of the complexes above are colourless and diamagnetic. Which would be more stable: [Ni(II)(phen)3]²* or [Zn(1I)(phen);]²* based on electronic configuration?
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter19: Transitition Metals, Coordination Chemistry And Metallurgy
Section: Chapter Questions
Problem 19.41QE
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