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July 25, 2014

Homework Help: chemistry

Posted by Bill on Wednesday, January 16, 2013 at 12:33am.

What has the higher normal melting point: CHI3 or CHF3?

The answer in the book is CHI3. So I'm assuming the answer is CHI3 because Iodine is the bigger and will form larger london dispersion forces, but isn't a stronger dipole moment formed in CHF3 because fluorine is more electronegative than carbon and forms a polar molecule?

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