Lab 3 - Spectrochemical Series Questions.docx - Part A...

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Part A – Cu 2+ monodentate ligands Calculate (and show your work for) the crystal-field splitting energy of each of the complexes, the color of light that wavelength is associated with, and the predicted color the compound would appear when viewing it. Then, referencing the photo given in the lab handout, provide the actual color the solution containing that compound appears. λ max (nm) Δ (kJ/mol) Color of Absorptio n Color of Appearance Predicted Actual [Cu(H 2 O) 4 ] 2+ 811.65 Red/IR [CuCl 4 ] 2- 866.22 Red/IR [Cu(NH 3 ) 4 ] 2+ 608.20 Calculations: Based upon the data given, which of the ligands is the weakest? _____ Which is the strongest? _____ What is the spectrochemical series for these three ligands? _____<_____<_____
Part B – Cu 2+ bidentate ligands Calculate (and show your work for) the crystal-field splitting energy of each of the complexes, the color of light that wavelength is associated with, and the predicted color the compound would appear when viewing it. Then, referencing the photo

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