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  Type your question here How many of the following molecules are polar?PCl5, COS, XeO3, SeBr2

 

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How many of the following molecules are polar?

PCl5, COS, XeO3, SeBr2
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Answer #1

PCl5 is trigonal bipyramidal. It is nonpolar overall.

COS is linear triatomic. It is polar overall because the CO bond is more polar than the CS bond.

XeO3 is pyramidal, with the Xe at the apex. The XeO bonds are polar, so the molecule is polar overall.

SeBr2 is bent (angular). The SeBr bonds are polar and the molecule is polar overall.

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