exercise 8 - in standard transition notation f So how can...

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Chemistry 312 Names: Exercise 8: Tanabe-Sugano diagrams and complex nomenclature and reactivity 1. Above is the Tanabe-Sugano diagram for the d 4 electron configuration. a. What is the low-spin ground state? What is the high-spin ground state? b. What is the lowest energy spin-allowed electronic transition (excitation) from the low- spin ground state? Use standard transition notation. c. Are there any other spin-allowed low-spin ground state transitions? If so, write them in standard transition notation. d. What is the lowest energy spin-allowed electronic transition (excitation) from the high- spin ground state? Use standard transition notation. Hint: this is not the same answer as part b.
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e. Are there any other spin-allowed high-spin ground state transitions? If so, write them
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Unformatted text preview: in standard transition notation. f. So how can you tell apart [Cr(H 2 O) 6 ] 2+ from [Cr(CN) 6 ] 4– using electronic absorption spectroscopy ? Explain in terms of the number of expected d-d transition bands, and the relative energy (not intensity) of those bands. 2. a. Write the chemical formulae for the following named compounds: tetraammine dichlorido platinum (IV) tris(ethylenediamine) rhodium (III) b. Do a detailed valence electron count for each complex in part a. Does each follow the “18-electron” rule? c. Would you expect either complex to be particularly labile ? Explain your answer....
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