Question

what is valence shell electron pair repulsion theory. explain with examples

Answer 1

Valence Shell Electron Pair Repulsion Theory (VSEPR) is a molecular model to predict the geometry of the atoms making up a molecule where the electrostatic forces between a molecule's valence electrons are minimized around a central atom.

The theory is also known as Gillespie–Nyholm theory, after the two scientists who developed it). According to Gillespie, the Pauli Exclusion Principle is more important in determining molecular geometry than the effect of electrostatic repulsion.

According to VSEPR theory, the methane (CH4) molecule is a tetrahedron because the hydrogen bonds repel each other and evenly distribute themselves around the central carbon atom.

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Answer 2

Valence Shell Electron Pair Repulsion Theory ( VSEPR ) is a molecular model to predict the geometry of the atoms making up a molecule where the electrostatic forces between a molecule's valence electrons are minimized around a central atom