HW Problem 4.15c

(Polar molecules, Non-polar molecules, etc.)

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HW Problem 4.15c

Postby VahagnAldzhyan » Sat Nov 18, 2017 10:09 pm

The structure is COF2 and the name is trigonal planar. Why is it that the Oxygen gets the double bond, but one of the Fluorine's does't get it? I thought that the most electronegative element will get the double bond? And oxygen is less electronegative than fluorine.

Tatiana Hage 2E
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Re: HW Problem 4.15c

Postby Tatiana Hage 2E » Sat Nov 18, 2017 10:18 pm

Oxygen is less electronegative, so it is more likely to share its valence electrons than Fluorine, which is very electronegative.

Tanaisha Italia 1B
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Re: HW Problem 4.15c

Postby Tanaisha Italia 1B » Sat Nov 18, 2017 10:24 pm

This is also better in terms of formal charge, because each atom has a formal charge of zero when oxygen has a double bond/two single bonds, carbon has four bonds, and fluorine has a single bond.

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