polarity

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georgia_perris4G
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Joined: Wed Sep 21, 2016 2:57 pm

polarity

Postby georgia_perris4G » Mon Nov 07, 2016 2:41 pm

If a structure has 5 chlorine atoms attached to a central phosphorus atom, why would it be polar?

Cliff Danza 3F
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Re: polarity

Postby Cliff Danza 3F » Mon Nov 07, 2016 2:46 pm

If there are no electron lone pairs, then the dipole moments (toward Cl) would all cancel because of the Trigonal Bi-Pyramidal shape. So the bonds in PCl5 can be considered polar bonds, but the molecule is non-polar.


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