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Lab 8 - Lab 8 The Spectrochemical Series Nadiya Atkinson...

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Lab 8: The Spectrochemical Series Nadiya Atkinson Lab Instructor: Deepti Gadi November 29, 2007
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Results and Discussion: Transition metal complexes come in a variety of different colors, which appear because they absorb light from the visible spectrum. The color that is seen is the complementary to the color that is most absorbed by the complex. The absorbed light increases the energy of the complex and causes a transition from one energy state to another, which can be determined by the equation: E 2 - E 1 = E = hv = hc/ λ where λ is the wavelength of absorbed light. Crystal field splitting theory explains how this these different energy levels of transition metals come about. In this theory, the different energy levels of ligands occur because of the difference in the amount of repulsion between ligands and the electrons in the d orbitals of the transition metal ions. Ligands that are closer to the transition metal have
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