Domanda del libro di testo
What is the systematic name for each of the following coordination compounds?
(a) Cs[FeCl4]
(b) [V(H2O)6](NO3)3
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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 21.6
McMurry 8th EditionCh.21 - Transition Elements and Coordination ChemistryProblema 21.6Capitolo 21, Problema 21.6
What is the name of the compound [Fe(H2O)5(SCN)]Cl2?
(a) pentaaquathiocyanatoiron(III) chloride
(b) pentaaquachlorothiocyanato iron(III)
(c) pentaaquathiocyanatoiron(III) dichloride
(d) pentaaquathiocyanatoiron(II) chloride
Guida verificata passo dopo passo1
Identify the central metal ion in the complex, which is iron (Fe).
Determine the oxidation state of the iron. The complex has a charge of +2 from the two chloride ions (Cl^-), and the thiocyanate (SCN^-) has a charge of -1. The water molecules (H2O) are neutral. Therefore, the oxidation state of iron can be calculated by balancing the charges.
Recognize the ligands present in the complex: five water molecules (H2O) and one thiocyanate ion (SCN^-).
Name the ligands: 'aqua' for water and 'thiocyanato' for SCN^-. The prefix 'penta' indicates five water molecules.
Combine the information to name the compound: 'pentaaquathiocyanatoiron(III) chloride', considering the oxidation state of iron and the number of chloride ions.
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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 called ligands. In this case, iron (Fe) is the central metal, and the ligands include water (H2O) and thiocyanate (SCN). Understanding the structure and naming conventions of these compounds is essential for identifying them correctly.
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Percorso guidato
01:32
Coordination Compound Naming
Nomenclature of Coordination Complexes
The nomenclature of coordination complexes follows specific rules set by the International Union of Pure and Applied Chemistry (IUPAC). Ligands are named first in alphabetical order, followed by the metal's name, which is modified based on its oxidation state. In this question, recognizing the correct order and naming conventions is crucial for determining the correct name of the compound.
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00:43Coordination Complexes Example
Oxidation States
The oxidation state of a metal in a coordination compound indicates its charge and is vital for proper naming. In the compound [Fe(H2O)5(SCN)]Cl2, the iron can be in either the +2 or +3 oxidation state. Identifying the correct oxidation state is necessary to accurately name the compound and distinguish between options that may differ based on this aspect.
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02:42Oxidation Numbers
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(b) Which structures are linkage isomers?
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There are two possible [M(OH)4]- complexes of first-series transition metals that have three unpaired electrons.
(a) What are the oxidation state and the identity of M in these complexes?
(b) Using orbital diagrams, give a valence bond description of the bonding in each complex.
(c) Based on common oxidation states of first-series transition metals (Figure 21.6), which [M(OH)4]- complex is more likely to exist?
<QUESTION REFERENCES FIGURE 21.6>-
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(a)
(b)
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