Ch.23 - Transition Metals and Coordination Chemistry
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
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TOC.tableOfContents
- Ch.1 - Introduction: Matter, Energy, and Measurement177
- Ch.2 - Atoms, Molecules, and Ions231
- Ch.3 - Chemical Reactions and Reaction Stoichiometry216
- Ch.4 - Reactions in Aqueous Solution189
- Ch.5 - Thermochemistry175
- Ch.6 - Electronic Structure of Atoms168
- Ch.7 - Periodic Properties of the Elements150
- Ch.8 - Basic Concepts of Chemical Bonding177
- Ch.9 - Molecular Geometry and Bonding Theories200
- Ch.10 - Gases179
- Ch.11 - Liquids and Intermolecular Forces113
- Ch.12 - Solids and Modern Materials154
- Ch.13 - Properties of Solutions157
- Ch.14 - Chemical Kinetics199
- Ch.15 - Chemical Equilibrium128
- Ch.16 - Acid-Base Equilibria164
- Ch.17 - Additional Aspects of Aqueous Equilibria163
- Ch.18 - Chemistry of the Environment105
- Ch.19 - Chemical Thermodynamics164
- Ch.20 - Electrochemistry171
- Ch.21 - Nuclear Chemistry122
- Ch.22 - Chemistry of the Nonmetals82
- Ch.23 - Transition Metals and Coordination Chemistry79
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry16
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232Non è quello che usi tu?Cambia libro di testo
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Brown 14th EditionCh.23 - Transition Metals and Coordination ChemistryProblema 44
Brown 14th EditionCh.23 - Transition Metals and Coordination ChemistryProblema 44Capitolo 23, Problema 44
Complete the exercises below. Determine if each of the following complexes exhibits geometric isomerism. If geometric isomers exist, determine how many there are. c. Square-planar [Pd(en)(CN)₂].
Guida verificata passo dopo passo1
Step 1: Understand the structure of the complex. The complex [Pd(en)(CN)_2] is square-planar, which means it has a central palladium (Pd) atom with four ligands arranged in a square plane around it.
Step 2: Identify the ligands. In this complex, 'en' stands for ethylenediamine, a bidentate ligand, and 'CN' stands for cyanide, a monodentate ligand. Ethylenediamine can bind to the metal at two points, while each cyanide ion binds at one point.
Step 3: Consider the possible arrangements of the ligands. In a square-planar complex, the ligands can be arranged in different ways around the central metal atom. Check if the ligands can be arranged such that different spatial arrangements (geometric isomers) are possible.
Step 4: Determine the possible geometric isomers. For square-planar complexes, geometric isomerism can occur if there are different ways to arrange the ligands around the central metal. Consider the positions of the bidentate ligand (en) and the monodentate ligands (CN) to see if different configurations are possible.
Step 5: Count the number of geometric isomers. If different spatial arrangements are possible, count how many distinct configurations exist. This will give you the number of geometric isomers for the complex.
Concetti chiave
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Geometric Isomerism
Geometric isomerism occurs when compounds have the same molecular formula and connectivity of atoms but differ in the spatial arrangement of their atoms. This type of isomerism is particularly relevant in coordination complexes, where ligands can occupy different positions around a central metal ion, leading to distinct isomers that may have different physical and chemical properties.
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02:02
Geometric Isomers
Square-Planar Geometry
Square-planar geometry is a molecular shape that occurs when a central atom is surrounded by four ligands arranged at the corners of a square, typically seen in d8 metal complexes like palladium(II). In this geometry, the ligands are positioned 90 degrees apart in the same plane, which allows for the possibility of geometric isomers based on the relative positions of the ligands.
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02:07Square planar complexes show the most complex splitting pattern.
Ligand Types and Coordination
Ligands are ions or molecules that can donate a pair of electrons to a central metal atom to form a coordination complex. In the case of [Pd(en)(CN)₂], 'en' (ethylenediamine) is a bidentate ligand that binds through two donor atoms, while 'CN' (cyanide) is a monodentate ligand. The arrangement of these ligands around the palladium center influences the potential for geometric isomerism, as different spatial arrangements can lead to distinct isomers.
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02:38Ligand Types
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