Domanda del libro di testo
Draw a crystal field energy-level diagram, assign the electrons to orbitals, and predict the number of unpaired electrons for each of the following.
(a) [Cu(en)3]2+
(b) [FeF6]2-
(c) [Co(en)3]3+ (low spin)
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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 21.80
McMurry 8th EditionCh.21 - Transition Elements and Coordination ChemistryProblema 21.80Capitolo 21, Problema 21.80
What is the systematic name for each of the following coordination compounds?
(c) [Co(NH3)4Br2]Br
(d) Cu(gly)2
Guida verificata passo dopo passo1
Identify the central metal ion in each coordination compound. For (c), the central metal is cobalt (Co), and for (d), it is copper (Cu).
Determine the oxidation state of the central metal ion. For (c), consider the charge of the ligands and the overall charge of the complex. For (d), use the fact that glycine (gly) is a neutral ligand.
Name the ligands in alphabetical order. For (c), the ligands are ammine (NH_3) and bromo (Br). For (d), the ligand is glycinato (gly).
Combine the names of the ligands with the metal, including its oxidation state in Roman numerals. For (c), use the format: ligand names + metal name + oxidation state. For (d), use the format: ligand name + metal name + oxidation state.
For (c), since the complex ion is a cation, the name of the complex is followed by the name of the counterion (bromide). For (d), since there is no counterion, the name of the complex is complete.
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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 and their arrangement around the metal center significantly influence the properties and reactivity of the compound. Understanding the structure and bonding in coordination complexes is essential for naming them systematically.
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01:32
Coordination Compound Naming
Ligands and Their Naming
Ligands are ions or molecules that donate electron pairs to the central metal atom in a coordination compound. They can be classified as monodentate (binding through one atom) or polydentate (binding through multiple atoms). The naming of ligands follows specific conventions, such as using prefixes to indicate the number of ligands and specific names for common ligands like ammonia (NH3) and bromide (Br-).
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02:03Ligand Naming
Systematic Naming of Coordination Compounds
The systematic naming of coordination compounds follows the IUPAC nomenclature rules, which dictate the order of naming the ligands, the metal, and its oxidation state. Ligands are named first in alphabetical order, followed by the metal name, which may include a Roman numeral to indicate its oxidation state. This systematic approach ensures clarity and consistency in the identification of coordination compounds.
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01:32Coordination Compound Naming
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Which of the following complexes are paramagnetic?
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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.
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