Domanda del libro di testo
For each of the following complexes, draw a crystal field energy-level diagram, assign the electrons to orbitals, and predict the number of unpaired electrons.
(b) [MnCl4]2- (tetrahedral)
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Ch.21 - Transition Elements and Coordination Chemistry
McMurry8th EditionChemistryISBN: 9781292336145
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TOC.tableOfContents
- Ch.1 - Chemical Tools: Experimentation & Measurement170
- Ch.2 - Atoms, Molecules & Ions160
- Ch.3 - Mass Relationships in Chemical Reactions169
- Ch.4 - Reactions in Aqueous Solution199
- Ch.5 - Periodicity & Electronic Structure of Atoms102
- Ch.6 - Ionic Compounds: Periodic Trends and Bonding Theory92
- Ch.7 - Covalent Bonding and Electron-Dot Structures61
- Ch.8 - Covalent Compounds: Bonding Theories and Molecular Structure59
- Ch.9 - Thermochemistry: Chemical Energy122
- Ch.10 - Gases: Their Properties & Behavior155
- Ch.11 - Liquids & Phase Changes54
- Ch.12 - Solids and Solid-State Materials73
- Ch.13 - Solutions & Their Properties120
- Ch.14 - Chemical Kinetics98
- Ch.15 - Chemical Equilibrium125
- Ch.16 - Aqueous Equilibria: Acids & Bases110
- Ch.17 - Applications of Aqueous Equilibria147
- Ch.18 - Thermodynamics: Entropy, Free Energy & Equilibrium86
- Ch.19 - Electrochemistry154
- Ch.20 - Nuclear Chemistry96
- Ch.21 - Transition Elements and Coordination Chemistry156
- Ch.22 - The Main Group Elements187
- Ch.23 - Organic and Biological Chemistry51
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McMurry 8th EditionCh.21 - Transition Elements and Coordination ChemistryProblema 21.79b
McMurry 8th EditionCh.21 - Transition Elements and Coordination ChemistryProblema 21.79bCapitolo 21, Problema 21.79b
Assign a systematic name to each of the following ions.
(c) [Fe(H2O)5NCS]2+
(d) [Cr(NH3)2(C2O4)2]-
Guida verificata passo dopo passo1
Identify the central metal ion in each complex and determine its oxidation state.
For complex (c), [Fe(H_2O)_5NCS]^2+, identify the ligands: water (H_2O) and thiocyanate (NCS). Water is a neutral ligand, and thiocyanate is a monodentate ligand with a charge of -1.
Determine the oxidation state of iron (Fe) in complex (c) by considering the overall charge of the complex (+2) and the charges of the ligands.
For complex (d), [Cr(NH_3)_2(C_2O_4)_2]^-, identify the ligands: ammonia (NH_3) and oxalate (C_2O_4). Ammonia is a neutral ligand, and oxalate is a bidentate ligand with a charge of -2.
Determine the oxidation state of chromium (Cr) in complex (d) by considering the overall charge of the complex (-1) and the charges of the ligands.
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Concetti chiave
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Coordination Compounds
Coordination compounds consist of a central metal atom or ion bonded to surrounding molecules or ions, known as ligands. The nature of these ligands, whether they are neutral or charged, and their arrangement around the metal center significantly influence the compound's properties and nomenclature.
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01:32
Coordination Compound Naming
Ligand Naming and Classification
Ligands are classified based on the number of donor atoms they possess. Monodentate ligands bind through a single atom, while bidentate and polydentate ligands can attach through multiple atoms. The systematic naming of ligands follows specific rules, such as using prefixes like 'di-', 'tri-', and 'tetra-' to indicate the number of identical ligands present.
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04:22Ligand Classification
Oxidation States and Charge
The oxidation state of a metal in a coordination compound is crucial for determining its systematic name. It reflects the charge of the metal ion after accounting for the charges contributed by the ligands. Understanding how to calculate the overall charge of the complex is essential for correctly naming the compound and ensuring that the name reflects its chemical identity.
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02:42Oxidation Numbers
Pratica correlata
Domanda del libro di testo
Predict the number of unpaired electrons for each of the following.
(c) Mn3+
(d) Cr2+
98
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Domanda del libro di testo
Cobalt(III) trifluoroacetylacetonate, Co(tfac)3, is a sixcoordinate, octahedral metal chelate in which three planar, bidentate tfac ligands are attached to a central Co atom:
(b) Diastereoisomers A and B have dipole moments of 6.5 D and 3.8 D, respectively. Which of your diastereoisomers is A and which is B?
108
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Domanda del libro di testo
Tell how many diastereoisomers are possible for each of the following complexes, and draw their structures.
(c) [Cu(H2O)4Cl2]+
(d) Ru(NH3)3I3
89
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Domanda del libro di testo
Give a valence bond description of the bonding in each of the following complexes. Include orbital diagrams for the free metal ion and the metal ion in the complex. Indicate which hybrid orbitals the metal ion uses for bonding, and specify the number of unpaired electrons.
(b) [NiBr4]2- (tetrahedral)
112
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Domanda del libro di testo
Look at the location in the periodic table of elements A, B, C, and D. What is the electron configuration of the transition metal in each of the following ions?
(a) A2+
(b) B+
108
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