Domanda del libro di testo
The lobes of which d orbitals point directly between the ligands in b. tetrahedral geometry?
117
views
Ch.23 - Transition Metals and Coordination Chemistry
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
Non è quello che usi tu?Cambia libro di testoScegli un libro di testo diverso
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
Tutti i libri di testo
Brown 14th EditionCh.23 - Transition Metals and Coordination ChemistryProblema 49
Brown 14th EditionCh.23 - Transition Metals and Coordination ChemistryProblema 49Capitolo 23, Problema 49
Complete the exercises below. Identify each of the following coordination complexes as either diamagnetic or paramagnetic: a. [ZnCl₄]²⁻ b. [Pd(NH₃)₂ Cl₂]
Guida verificata passo dopo passo1
Step 1: Determine the oxidation state of the central metal ion in each complex. For [ZnCl₄]²⁻, zinc typically has an oxidation state of +2. For [Pd(NH₃)₂Cl₂], palladium can have an oxidation state of +2.
Step 2: Identify the electron configuration of the central metal ion in its oxidation state. For Zn²⁺, the electron configuration is [Ar] 3d¹⁰. For Pd²⁺, the electron configuration is [Kr] 4d⁸.
Step 3: Determine the number of unpaired electrons in the d-orbitals of the central metal ion. Zn²⁺ with a 3d¹⁰ configuration has no unpaired electrons, while Pd²⁺ with a 4d⁸ configuration needs further analysis.
Step 4: Analyze the ligand field and the geometry of the complex. [ZnCl₄]²⁻ is tetrahedral, and [Pd(NH₃)₂Cl₂] is square planar. Tetrahedral complexes often have high spin, but since Zn²⁺ has no unpaired electrons, it is diamagnetic. Square planar complexes like [Pd(NH₃)₂Cl₂] often lead to low spin configurations.
Step 5: Conclude the magnetic properties based on unpaired electrons. [ZnCl₄]²⁻ is diamagnetic due to no unpaired electrons. For [Pd(NH₃)₂Cl₂], check if the 4d⁸ configuration in a square planar field results in unpaired electrons to determine if it is paramagnetic or diamagnetic.
Concetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Coordination Complexes
Coordination complexes 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 can significantly influence the properties of the complex, including its magnetic behavior.
Video consigliato:
Percorso guidato
00:43
Coordination Complexes Example
Magnetism in Coordination Complexes
Coordination complexes can be classified as diamagnetic or paramagnetic based on the presence of unpaired electrons. Diamagnetic complexes have all electrons paired, resulting in no net magnetic moment, while paramagnetic complexes contain unpaired electrons, leading to a net magnetic moment and attraction to magnetic fields.
Video consigliato:
Percorso guidato
00:43Coordination Complexes Example
Electron Configuration and d-Orbitals
The electron configuration of the central metal ion, particularly the distribution of electrons in its d-orbitals, is crucial for determining the magnetic properties of coordination complexes. Transition metals can exhibit different oxidation states and coordination geometries, affecting the number of unpaired electrons and thus the complex's magnetic characteristics.
Video consigliato:
Percorso guidato
02:06d Orbital Orientations