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Ch.10 - Chemical Bonding II: Molecular Shapes & Valence Bond Theory
Tro - Chemistry: A Molecular Approach 4th Edition
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Tutti i libri di testoTro 4th EditionCh.10 - Chemical Bonding II: Molecular Shapes & Valence Bond TheoryProblema 59
Capitolo 10, Problema 59

Which hybridization scheme allows the formation of at least one p bond? sp3, sp2, sp3d2

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Identify the types of hybridization given: \( sp^3 \), \( sp^2 \), and \( sp^3d^2 \).
Recall that a \( \pi \) bond is formed by the sideways overlap of unhybridized p orbitals.
Understand that \( sp^3 \) hybridization involves the mixing of one s orbital and three p orbitals, resulting in four \( sp^3 \) hybrid orbitals with no unhybridized p orbitals left for \( \pi \) bonding.
Recognize that \( sp^2 \) hybridization involves the mixing of one s orbital and two p orbitals, leaving one unhybridized p orbital available for \( \pi \) bonding.
Note that \( sp^3d^2 \) hybridization involves the mixing of one s orbital, three p orbitals, and two d orbitals, which typically does not leave unhybridized p orbitals for \( \pi \) bonding.

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Hybridization

Hybridization is a concept in chemistry that describes the mixing of atomic orbitals to form new hybrid orbitals. These hybrid orbitals can explain the geometry of molecular bonding. The most common types of hybridization include sp, sp2, and sp3, which correspond to different arrangements of electron pairs around a central atom.
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Hybridization

Sigma and Pi Bonds

In chemical bonding, a sigma (σ) bond is formed by the head-on overlap of orbitals, while a pi (π) bond is formed by the side-to-side overlap of p orbitals. Sigma bonds are the first bonds formed between two atoms, and pi bonds can only form in conjunction with sigma bonds, contributing to the double or triple bond character in molecules.
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Lewis Dot Structures: Sigma & Pi Bonds

Types of Hybridization

Different hybridization schemes correspond to different types of bonding and molecular geometries. For example, sp3 hybridization involves one s and three p orbitals, leading to single bonds only. In contrast, sp2 hybridization involves one s and two p orbitals, allowing for the formation of one pi bond alongside a sigma bond, which is essential for double bonds.
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