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How is it possible that a compound can have London forces and permanent dipole? watch

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    How is it possible that a compound can have London forces and permanent dipole?

    Surely if the e- are ossicallating (London forces), permanent dipole cannot occur ?
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    The permanent dipole is caused by asymmetry of the the molecule. Take a ketone for example, you have an incredibly electronegative atom (the oxygen) that pulls electrons towards it.Electrons never stop moving as well so you have to consider that even though they are being pulled towards one atom ( creating the permanent dipole) that they are still dancing all over the place in other regions creating a temporary dipole.

    Hope that helped
 
 
 
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