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Ch.9 - Molecular Geometry and Bonding Theories
Brown - Chemistry: The Central Science 15th Edition
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970Non è quello che usi tu?Cambia libro di testo
Capitolo 9, Problema 55c

Which of the following statements are true? c. A 𝜋 bond is made from the sideways overlap of two p orbitals.

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1
Identify the type of bond being discussed: a \( \pi \) bond.
Recall the definition of a \( \pi \) bond: it is formed by the sideways overlap of two parallel \( p \) orbitals.
Understand that \( \pi \) bonds are different from \( \sigma \) bonds, which are formed by the head-on overlap of orbitals.
Consider the orientation of \( p \) orbitals: they have lobes that can overlap sideways to form a \( \pi \) bond.
Conclude that the statement is true based on the definition and characteristics of \( \pi \) bonds.

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Bonding Orbitals

Bonding orbitals are regions in a molecule where the probability of finding electrons is high, resulting from the overlap of atomic orbitals. In covalent bonding, these orbitals can be classified as sigma (σ) and pi (π) bonds, which differ in their formation and electron distribution.
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03:06
Molecular Orbital Theory

Pi Bonds

A pi (π) bond is a type of covalent bond that occurs when two atomic orbitals overlap sideways, typically involving p orbitals. This overlap allows for the sharing of electrons above and below the bond axis, contributing to the overall stability and geometry of the molecule.
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Lewis Dot Structures: Sigma & Pi Bonds

Orbital Hybridization

Orbital hybridization is the concept of mixing atomic orbitals to form new hybrid orbitals that can explain the geometry of molecular bonding. For example, in the case of double bonds, one σ bond is formed from head-on overlap, while the π bond arises from the lateral overlap of unhybridized p orbitals.
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