The Polarity of Polyatomic Molecules

The Polarity of Polyatomic Molecules - Although a polar...

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The Polarity of Polyatomic Molecules Each polar bond in a polyatomic molecule will have an associated dipole The overall dipole of the molecule will be the sum of the individual dipoles Although in carbon dioxide the oxygens have a partial negative charge and the carbon a partial positive charge, the molecule has no dipole - it will not orient in an electrical field Water has a dipole and will orient in an electrical field
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Unformatted text preview: Although a polar bond is a prerequisite for a molecule to have a dipole, not all molecules with polar bonds exhibit dipoles AB n molecules and non-polar geometries For AB n molecules, where the central atom A is surrounded by identical atoms for B, there a certain molecular geometries which result in no effective dipole , regardless of how polar the individual bonds may be. These geometries are:...
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This note was uploaded on 11/22/2011 for the course CHEMISTRY CHM1025 taught by Professor Laurachoudry during the Fall '10 term at Broward College.

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The Polarity of Polyatomic Molecules - Although a polar...

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