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Unformatted text preview: Which of the five cobalt complexes, [Co(NH 3 ) 5 X] y+ (where X is one of the five ligands, Br , Cl , F , H 2 O, or NH 3 and y is the magnitude of the positive charge) will absorb the shortest wavelength of light? Which will absorb the longest wavelength of light? What is the oxidation state of Co in each of these complexes? 2. If the crystal field splitting ( o ) is 3.44 10 19 J for a cobalt compound, what wavelength of light (in nm) is absorbed when an electron from a lower energy d orbital is promoted to a higher energy d orbital? What color will the cobalt compound appear? 3. Sketch out a tentative experimental procedure for Week 2. This procedure need not be overly detailed; a few sentences or a flow chart/outline should suffice....
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