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File: Lecture4
VALENCE SHELL ELECTRON PAIR REPULSION (VSEPR) THEORY Definition: The Valence-Shell-Electrons-Pair-Repulsion Theory (VSEPR), proposes that the stereochemistry of an atom in a molecule is determined primarily by the repulsive interactions among ...

icon picture PDF Filetype PDF | Posted on 25 Jan 2023 | 2 years ago
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...Valence shell electron pair repulsion vsepr theory definition the electrons proposes that stereochemistry of an atom in a molecule is determined primarily by repulsive interactions among all pairs its postulates main this are shape between present lone takes up more space round central than bond since attracted to one nucleus whilist shared two nuclei it follows greater and which turn decrease order lp bp magnitude bonding depends on electronegativity difference other atoms double bonds cause single triple forces sharply with increasing angle example bf b has configuration s p x during formation promoted vacant py orbital thus excited three unpaired eiectrons for y z fluorine f should be slightly different strengths because while involved but fact equal strength introduction tend combine also have way paired attain stable electronic arrangement usually full i e noble gas constitute number formed same as ground state lowest energy however some cases may form occurs excitation providing ...
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