cry 23.26 Indicate the coordination number and the oxidation num. ber of the metal for each of the following complexes: (a) K3[Co(CN)6] (b) Na[CdBr4] (c) [Pt(en)3](Cl04)4 (d) [Co(en)2(C204)]* (e) NH4[Cr(NH3)2(NCS)4] (f) [Cu(bipy)2I]I Common Ligands in Coordination Chemistry Section 23.3) 23.27 For each of the following molecules or polyatomic ions, draw the Lewis structure and indicate if it can act as a monodentate ligand, a bidentate ligand, or is unlikely to act as a ligand at all: (a) ethylamine, CH,CH,NH, (b) trimethylphosphine, P(CH,)3, (c) carbonate, CO,2- ale (d) ethane, C,H, 23.28 For each of the following polydentate ligands, determine (1) ph the maximum number of coordination sites that the ligand can occupy on a single metal ion and (ii) the number and type of donor atoms in the ligand: (a) ethylenediamine (en), (b) bipyridine (bipy), (c) the oxalate anion (C2O4), (d) the 2- ion of the porphine molecule (Figure 23.13), (e) [EDTA]4. 3.29 Polydentate ligands can vary in the number of coordi- nation positions they occupy. In each of the following, identify the polydentate ligand present and indicate the probable number of coordination positions it orcunies: Z8.3

cry 23.26 Indicate the coordination number and the oxidation num. ber of the metal for each of the following complexes: (a) K3[Co(CN)6] (b) Na[CdBr4] (c) [Pt(en)3](Cl04)4 (d) [Co(en)2(C204)]* (e) NH4[Cr(NH3)2(NCS)4] (f) [Cu(bipy)2I]I Common Ligands in Coordination Chemistry Section 23.3) 23.27 For each of the following molecules or polyatomic ions, draw the Lewis structure and indicate if it can act as a monodentate ligand, a bidentate ligand, or is unlikely to act as a ligand at all: (a) ethylamine, CH,CH,NH, (b) trimethylphosphine, P(CH,)3, (c) carbonate, CO,2- ale (d) ethane, C,H, 23.28 For each of the following polydentate ligands, determine (1) ph the maximum number of coordination sites that the ligand can occupy on a single metal ion and (ii) the number and type of donor atoms in the ligand: (a) ethylenediamine (en), (b) bipyridine (bipy), (c) the oxalate anion (C2O4), (d) the 2- ion of the porphine molecule (Figure 23.13), (e) [EDTA]4. 3.29 Polydentate ligands can vary in the number of coordi- nation positions they occupy. In each of the following, identify the polydentate ligand present and indicate the probable number of coordination positions it orcunies: Z8.3

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter21: Transition Metals And Coordination Chemistry

Section: Chapter Questions

Problem 6Q: Four different octahedral chromium coordination compounds exist that all have the same oxidation...

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Similar questions

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+]
(a) Name this coordination compound: [Ag(NH3)2]NO3. (b) Write the formula of pentaaquaisothiocyanatoiron(III) chloride.
The square-planar complex Pt(en)Cl2 has chloride ligands in a cis configuration. No trans isomer is known. Based on the bond lengths and bond angles of carbon and nitrogen in the ethylenediamine ligand, explain why the trans compound is not possible.
Trimethylphosphine, P(CH3)3, can act as a ligand by donating the lone pair of electrons on the phosphorus atom. If trimethylphosphine is added to a solution of nickel(Il) chloride in acetone, a blue compound that has a molecular mass of approximately 270 g and contains 21.5% Ni, 26.0% Cl, and 52.5% P(CH3)3 can be isolated. This blue compound does not have any isomeric forms. What are the geometry and molecular formula of the blue compound?
Consider the complex ion [CoCO3(NH3)4], where the CO32 is a bidentate ligand. a Is this complex ion octahedral or square planar? b What is the oxidation state of the cobalt?
Give the number of unpaired electrons in octahedral complexes with strong-field ligands for (a) Rh3+ (b) Mn3+ (c) Ag+ (d) Pt4+ (e) Au3+