Which is a molecular geometry that is somewhat common for transition metal complexes but violates VSEPR principles? Group of answer choices trigonal bipyramidal for 5 - coordinate complexes tetrahedral for 4 - coordinate complexes octahedral for 6 - coordinate complexes square planar for 4- coordinate complexes -

Which is a molecular geometry that is somewhat common for transition metal complexes but violates VSEPR principles? Group of answer choices trigonal bipyramidal for 5 - coordinate complexes tetrahedral for 4 - coordinate complexes octahedral for 6 - coordinate complexes square planar for 4- coordinate complexes -

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter8: Bonding In Transition Metal Compounds And Coordination Complexes

Section: Chapter Questions

Problem 31P

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a. In the absorption spectrum of the complex ion Cr(NCS)63, there is a band corresponding to the absorption of a photon of light with an energy of 1.75 104 cm-1. Given 1 cm1 = 1.986 1023 J, what is the wavelength of this photon? b. The CrNC bond angle in Cr(NCS)63 is predicted to be 180. What is the hybridization of the N atom in the Ncs- ligand when a Lewis acid-base reaction occurs between Cr3+ and NCs- that would give a 180 CrNC bond angle? Cr(NCS)63 undergoes substitution by ethylenediamine (en) according to the equation Cr(NCS)63+2enCr(NCS)2(en)2++4NCS Does Cr(NCS)2(en)2+ exhibit geometric isomerism? Does Cr(NCS)2(en)2+ exhibit optical isomerism?
Which of the following statement(s) is( are) true? a. The coordination number of a metal ion in an octahedral complex ion is 8. b. All tetrahedral complex ions are low-spin. c. The formula for triaquatrianuninechromiwn(III) sulfate is [Cr(H2O)3(NH3)](SO4)3. d. The electron configuration of Hf2+ is [Xe]4f126s2. e. Hemoglobin contains Fe3+.
What is the coordination number of the central metal atom in the following complexes? (a) [Fe(H2O)63+] (b) [Pt(NH3)Br3] (c) [V(en)Cl42] (d) [Au(CN)2+]
Is it possible for a complex of a metal in the transition series to have six unpaired electrons? Explain.
For each d electron configuration, state the number of unpaired electrons expected in octahedral complexes. Give an example complex for each case. (Two answers are possible for some of these cases.) (a) d2 (b) d4 (c) d6 (d) d8
Give the coordination number for each metal ion in the following compounds: (a) [Co(CO3)3]3- (note that CO32- is bidentate in this complex). (b) [Cu(NH3)4]2+. (c) [Co(NH3)4Br2]2(SO4)3. (d) [Pt(NH3)4][PtCl4]. (e) [Cr(en)3](NO3)3. (f) [Pd(NH3)2Br2] (square planar). (g) K3[Cu(Cl)5]. (h) [Zn(NH3)2Cl2]