Domanda del libro di testo
Indicate whether each statement is true or false. (c) Molecules containing electrons that occupy antibonding orbitals must be unstable.
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Ch.9 - Molecular Geometry and Bonding Theories
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
Capitolo 9, Problema 74a
Indicate whether each statement is true or false. (a) p orbitals can only make σ or σ* molecular orbitals.
Guida verificata passo dopo passo1
Understand the types of molecular orbitals: Molecular orbitals are formed by the linear combination of atomic orbitals. The two main types are sigma (σ) and pi (π) orbitals.
Review the characteristics of p orbitals: p orbitals have a dumbbell shape and can overlap in different ways to form molecular orbitals.
Consider the formation of σ molecular orbitals: When two p orbitals overlap end-to-end (along the internuclear axis), they form a σ molecular orbital.
Consider the formation of π molecular orbitals: When two p orbitals overlap side-by-side (perpendicular to the internuclear axis), they form a π molecular orbital.
Evaluate the statement: Since p orbitals can form both σ and π molecular orbitals, the statement that p orbitals can only make σ or σ* molecular orbitals is false.
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p Orbitals
P orbitals are one of the types of atomic orbitals that have a dumbbell shape and are oriented along the x, y, and z axes. Each p orbital can hold a maximum of two electrons and is involved in bonding through the overlap with other orbitals. Understanding the characteristics of p orbitals is essential for predicting how they participate in molecular bonding.
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01:16
Electron Orbital Diagrams
Molecular Orbitals
Molecular orbitals are formed when atomic orbitals combine during the bonding process. They can be classified as bonding (σ) or antibonding (σ*), depending on whether the overlap of atomic orbitals leads to a lower or higher energy state, respectively. The formation of these orbitals is crucial for understanding the stability and reactivity of molecules.
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03:06Molecular Orbital Theory
σ and σ* Bonding
σ (sigma) bonds are formed by the head-on overlap of orbitals, allowing for strong bonding between atoms, while σ* (sigma star) represents the antibonding counterpart, which destabilizes the bond. P orbitals can participate in the formation of both σ and π bonds, but the statement in the question incorrectly limits their role to only σ and σ* molecular orbitals.
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01:53Bond Angles
Pratica correlata
Domanda del libro di testo
Indicate whether each statement is true or false. (b) The probability is always 0% for finding an electron in an antibonding orbital.
Domanda del libro di testo
Draw a picture that shows all three 2p orbitals on one atom and all three 2p orbitals on another atom. (c) How many antibonding orbitals, and of what type can be made from the two sets of 2p orbitals?
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Domanda del libro di testo
Indicate whether each statement is true or false. (d) Electrons cannot occupy a nonbonding orbital.
314
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Domanda del libro di testo
Draw a picture that shows all three 2p orbitals on one atom and all three 2p orbitals on another atom. (b) How many p bonds can the two sets of 2p orbitals make with each other?
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Domanda del libro di testo
Draw a picture that shows all three 2p orbitals on one atom and all three 2p orbitals on another atom. (a) Imagine the atoms coming close together to bond. How many σ bonds can the two sets of 2p orbitals make with each other?