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Good Afternoon. Chemistry Assignment question is
Explain VSPER theory, VB theory and MO theory in detail with suitable examples. And MO stand for?
Good Afternoon. Chemistry Assignment question is
Explain VSPER theory, VB theory and MO theory in detail with suitable examples. And MO stand for?
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Mar 28
Good afternoon.
VSEPR theory stands for Valence Shell Electron Pair Repulsion theory. It is a model used in chemistry to predict the geometry of individual molecules based on the number of electron pairs in the valence shell of the central atom. According to VSEPR theory, electron pairs in the valence shell of an atom repel each other, leading to a specific molecular geometry. For example, in a molecule like methane (CH4), the four electron pairs around the central carbon atom are arranged in a tetrahedral shape.
VB theory stands for Valence Bond theory. It is a model used to explain chemical bonding in molecules by considering the overlap of atomic orbitals. According to VB theory, covalent bonds are formed when atomic orbitals overlap and share electrons. For example, in the formation of a hydrogen molecule (H2), the 1s orbitals of two hydrogen atoms overlap to form a sigma bond.
MO theory stands for Molecular Orbital theory. It is a model used to describe the electronic structure of molecules by considering the combination of atomic orbitals to form molecular orbitals. In MO theory, electrons are distributed in molecular orbitals, which are formed by the combination of atomic orbitals. For example, in the formation of a diatomic molecule like oxygen (O2), the 2s and 2p atomic orbitals of two oxygen atoms combine to form molecular orbitals, leading to the formation of a stable O2 molecule.