Textbook Question
Assign a systematic name to each of the following ions.
(c) [Fe(H2O)5NCS]2+
(d) [Cr(NH3)2(C2O4)2]-
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Ch.21 - Transition Elements and Coordination Chemistry
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McMurry 8th EditionCh.21 - Transition Elements and Coordination ChemistryProblem 21.80a
McMurry 8th EditionCh.21 - Transition Elements and Coordination ChemistryProblem 21.80aChapter 21, Problem 21.80a
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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Identify the central metal ion and its oxidation state in each coordination compound.
For compound (a) Cs[FeCl_4], determine the oxidation state of iron (Fe) by considering the charge of the chloride ligands and the cesium cation.
Name the anionic complex in compound (a) by using the suffix '-ate' for the metal and specifying the oxidation state of the metal in Roman numerals.
For compound (b) [V(H_2O)_6](NO_3)_3, identify the central metal ion and its oxidation state by considering the charge of the water ligands and the nitrate anions.
Name the cationic complex in compound (b) by specifying the metal, its oxidation state in Roman numerals, and the ligands in alphabetical order.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
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 bonds and the arrangement of ligands around the metal center are crucial for determining the compound's properties and reactivity. Understanding the structure and nomenclature of these compounds is essential for systematic naming.
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01:32
Coordination Compound Naming
Nomenclature of Coordination Compounds
The nomenclature of coordination compounds follows specific rules set by the International Union of Pure and Applied Chemistry (IUPAC). This includes naming the ligands first, followed by the metal, and indicating the oxidation state of the metal in Roman numerals. The order and format of these names are critical for accurately conveying the identity of the compound.
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01:32Coordination Compound Naming
Oxidation States
The oxidation state of a metal in a coordination compound indicates its charge and is vital for understanding the compound's stability and reactivity. It is determined by the total charge of the complex and the charges contributed by the ligands. Correctly identifying and representing oxidation states is essential for systematic naming and understanding the compound's behavior.
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02:42Oxidation Numbers
Related Practice
Textbook Question
Based on the wavelength of maximum absorption of the cobalt complexes, arrange the following ligands in a spectrochemical series from weakest-field to strongest-field ligand.
(a) Cl- < NCS- < H2O < NH3
(b) Cl- < NCS- < H2O < NH3
(c) H2O < Cl- < NH3 < NCS-
(d) Cl- < H2O < NCS- < NH3
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Textbook Question
What is the systematic name for each of the following coordination compounds?
(c) [Co(NH3)4Br2]Br
(d) Cu(gly)2
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Textbook Question
Constitutional isomers of a ruthenium(II) coordination compound are shown below.
(a) Give the formula and name for structures 1-3.
(b) Which structures are linkage isomers?
(c) Which structures are ionization isomers?
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Textbook Question
Six isomers for a square planar palladium(II) complex that contains two Cl-and two SCN-ligands are shown below.
(a) Which structures are cis-trans isomers?
(b) Which structures are linkage isomers?
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Textbook Question
Which of the following complexes can exist as diastereoisomers?
(a) [Cr(NH3)2Cl4]-
(b) [Co(NH3)5Br]2+
(c) [MnCl2Br2]2- (tetrahedral)
(d) [Pt(NH3)2Br2]2-
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