2013 Final 4 C

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2013 Final 4 C

Postby Blake_Katsev_2E » Thu Dec 01, 2016 12:33 am

Why would IF5 be polar? is it because of the electrons on the central atom?

Natalie Rotstein 3J
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Re: 2013 Final 4 C

Postby Natalie Rotstein 3J » Fri Dec 02, 2016 12:02 am

IF5 is polar because of the electron pair on the central atom. Because of this pair, the electron geometry would be octahedral. If you think of the electronegativity of each atom as a sort of "pull," there is one Fluorine that has an electron pair opposite it in the molecules structure, instead of another fluorine, so the pull wouldn't be canceled out and therefore it would be polar.

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