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Ligand Field Strength and UV absorbance
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[QUOTE="ReidMerrill, post: 5694008, member: 590296"] I have a lab report for an experiment in which we used ion exchange chromatography to separate three Chromium complexes, CrCl[SUB]2[/SUB](OH[SUP]2[/SUP])[SUB]4[/SUB][SUP]+[/SUP], CrCl[SUB][/SUB](OH[SUP]2[/SUP])[SUB]5[/SUB][SUP]2+[/SUP], and Cr(OH[SUP]2[/SUP])[SUB]6[/SUB][SUP]3+[/SUP] We used a UV vis to find the absorbance of each compound and used that to calculate the mole fraction of each ion in a mixture. One of the questions I need to address in my report is the wavelengths of absorption maxima for the three compounds and comment on the relative ligand field strengths of Cl[SUP]-[/SUP] and H[SUB]2[/SUB]O I don't know if field strength has anything to do with absorbance wavelengths but I think it has something to do with how as time goes by, OH replaces Cl in the complex as time goes on. Am I on to something here? Any help would be appreciated, Thanks! [/QUOTE]
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Ligand Field Strength and UV absorbance
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