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4) a. Find the ground-state term symbol for a high-spin Co" complex. (2 pts) b. Determine B and A, for the high-spin compounds [Co(bipy),广and [Co(NH.)sr. The electronic spectra for [Co(bipy)s) has two transitions at 11,300 and 22,000 cm 1. The electronic spectra for [Co(NHa)e)2 has two transitions at 7,000 and 21,100 cm 1. NOTE: the band corresponding to the 'Ti 'A transition is extremely weak and is not observed in Co complexes. (8 pts) c. Sketch the d orbital and electron configuration for each complex next to each other and explain any differences. (4 pts) d. One of these complexes has a transition at 36,000 cm1 and has an extinction coefficient of 67,000 M1 cm1. Determine which compound has this absorption band and provide an explanation for this observation. (4 pts) e. A new complex was synthesized from [Co(NHa)s]2 when reacted with the ligand shown below Propose a structure for this new complex. This complex was then oxidized by one electron, and a new electronic feature appeared. Provide an explanation for this observation (4pts) Show transcribed image text 4) a. Find the ground-state term symbol for a high-spin Co" complex. (2 pts) b. Determine B and A, for the high-spin compounds [Co(bipy),广and [Co(NH.)sr. The electronic spectra for [Co(bipy)s) has two transitions at 11,300 and 22,000 cm 1. The electronic spectra for [Co(NHa)e)2 has two transitions at 7,000 and 21,100 cm 1. NOTE: the band corresponding to the 'Ti 'A transition is extremely weak and is not observed in Co complexes. (8 pts) c. Sketch the d orbital and electron configuration for each complex next to each other and explain any differences. (4 pts) d. One of these complexes has a transition at 36,000 cm1 and has an extinction coefficient of 67,000 M1 cm1. Determine which compound has this absorption band and provide an explanation for this observation. (4 pts) e. A new complex was synthesized from [Co(NHa)s]2 when reacted with the ligand shown below Propose a structure for this new complex. This complex was then oxidized by one electron, and a new electronic feature appeared. Provide an explanation for this observation (4pts)
4) a. Find the ground-state term symbol for a high-spin Co" complex. (2 pts) b. Determine B and A, for the high-spin compounds [Co(bipy),广and [Co(NH.)sr. The electronic spectra for [Co(bipy)s) has two transitions at 11,300 and 22,000 cm 1. The electronic spectra for [Co(NHa)e)2 has two transitions at 7,000 and 21,100 cm 1. NOTE: the band corresponding to the 'Ti 'A transition is extremely weak and is not observed in Co complexes. (8 pts) c. Sketch the d orbital and electron configuration for each complex next to each other and explain any differences. (4 pts) d. One of these complexes has a transition at 36,000 cm1 and has an extinction coefficient of 67,000 M1 cm1. Determine which compound has this absorption band and provide an explanation for this observation. (4 pts) e. A new complex was synthesized from [Co(NHa)s]2 when reacted with the ligand shown below Propose a structure for this new complex. This complex was then oxidized by one electron, and a new electronic feature appeared. Provide an explanation for this observation (4pts)
Show transcribed image text 4) a. Find the ground-state term symbol for a high-spin Co" complex. (2 pts) b. Determine B and A, for the high-spin compounds [Co(bipy),广and [Co(NH.)sr. The electronic spectra for [Co(bipy)s) has two transitions at 11,300 and 22,000 cm 1. The electronic spectra for [Co(NHa)e)2 has two transitions at 7,000 and 21,100 cm 1. NOTE: the band corresponding to the 'Ti 'A transition is extremely weak and is not observed in Co complexes. (8 pts) c. Sketch the d orbital and electron configuration for each complex next to each other and explain any differences. (4 pts) d. One of these complexes has a transition at 36,000 cm1 and has an extinction coefficient of 67,000 M1 cm1. Determine which compound has this absorption band and provide an explanation for this observation. (4 pts) e. A new complex was synthesized from [Co(NHa)s]2 when reacted with the ligand shown below Propose a structure for this new complex. This complex was then oxidized by one electron, and a new electronic feature appeared. Provide an explanation for this observation (4pts) 0
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