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Dr. Said El-Kurdi 4/24/2015 Inorganic Chemistry B Dr. Said El-Kurdi 1 Give chemical names for the following: [Fe(CN)2(CH3NC)4] dicyanotetrakis(methylisocyano)iron(II) or dicyanotetrakis(methylisocyano)iron(0) Rb[AgF4] rubidium tetrafluoroargentate(III) or rubidium tetrafluoroargentate(1–) [Ir(CO)Cl(PPh3)2] (two isomers) cis- and trans-carbonylchlorobis(triphenylphosphine)iridium(I) or cis- and trans-carbonylchlorobis(triphenylphospine)iridium(0) Dr. Said El-Kurdi Dr. Said El-Kurdi 2 1 Dr. Said El-Kurdi 4/24/2015 [Ag(NH3)2][BF4] diamminesilver(I) tetrafluoroborate(III) or diamminesilver(1+) tetrafluoroborate [Co(N3)(NH3)5]SO4 pentaammineazidocobalt(III) sulfate or pentaammineazidocobalt(2+) sulfate [V(C2O3)3]3 tris(oxalato)vanadate(III) or tris(oxalato)vanadate(3–) Dr. Said El-Kurdi 3 Give structures for the following: Bis(en)Co(III)--amido--hydroxobis(en)Co(III) ion Dr. Said El-Kurdi Dr. Said El-Kurdi 4 2 Dr. Said El-Kurdi 4/24/2015 DiaquadiiododinitritoPd(IV), all isomers Dr. Said El-Kurdi 5 Triammineaquadichlorocobalt(III) chloride, all isomers -oxo-bis[pentaamminechromium(III)] ion Dr. Said El-Kurdi Dr. Said El-Kurdi 6 3 Dr. Said El-Kurdi 4/24/2015 cis -Diamminebromochloroplatinum(II) Dr. Said El-Kurdi 7 Predict the number of unpaired electrons for Tetrahedral d6 [Co(H2O)6]2+ high spin octahedral d7, 3 unpaired electrons Cr(H2O)6]3+ octahedral d3, 3 unpaired electrons a square-planar d7 ion Dr. Said El-Kurdi Dr. Said El-Kurdi 8 4 Dr. Said El-Kurdi 4/24/2015 a coordination compound with a magnetic moment of 5.1 Bohr magnetons Identify the most likely transition metal M K3[M(CN)6], in which M is a first-row transition metal and the complex has three unpaired electrons Dr. Said El-Kurdi 9 Predict the magnetic moments (spin-only) of the following species: [Cr(H2O)6]2+ n=4 [Cu(en)2(H2O)2]2+ n=1 Dr. Said El-Kurdi Dr. Said El-Kurdi 10 5 Dr. Said El-Kurdi 4/24/2015 Determine the number of unpaired electrons, magnetic moment, and ligand field stabilization energy for each of the following complexes: [Co(CO)4] MnO4 [Fe(H2O)6]3+ 0 0 0 0 0 5 0 5.9 0 Dr. Said El-Kurdi 11 The outer electron configuration of the element cerium is d 1f 1 Identify the lowest-energy term (including J value). 3H 4 Dr. Said El-Kurdi Dr. Said El-Kurdi 12 6 Dr. Said El-Kurdi 4/24/2015 Determine the wavelength and frequency of 24,900 cm-1 light. Dr. Said El-Kurdi 13 Of the first-row transition metal complexes of formula [M(NH3)6]3+, which metals are predicted by the Jahn-Teller theorem to have distorted complexes? Dr. Said El-Kurdi Dr. Said El-Kurdi 14 7 Dr. Said El-Kurdi 4/24/2015 The complex VCl3(CH3CN)3, which has absorption bands at 694 and 467 nm. Calculate o and B for this complex. V(III) is a d2 ion v2 = 21,413 cm–1 and v1 = 14,409 cm–1 v2/v1 = 1.49 From the Tanabe-Sugano diagram at o/B = 34.5 Dr. Said El-Kurdi 15 From the Tanabe-Sugano diagram at o/B = 34.5 v1: E/B = 29 E = 29 B =14,409 cm–1 B = 497 cm–1 v2: E/B = 44 E = 44 B = 21,413 cm–1 B = 487 cm–1 Average B = 492 cm–1, o = 34.5 B = 16,970 cm–1 Dr. Said El-Kurdi Dr. Said El-Kurdi 16 8