Bonds and Accepting Electrons

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Ayesha Aslam-Mir 3C
Posts: 115
Joined: Wed Sep 30, 2020 9:43 pm

Bonds and Accepting Electrons

Postby Ayesha Aslam-Mir 3C » Sun Nov 15, 2020 10:30 pm

Sapling Question #6 says 'Molecules with polar double bonds also accept electrons" making CO2 a Lewis Acid. Why is that?

Hayden Lee 1C
Posts: 91
Joined: Wed Sep 30, 2020 9:57 pm

Re: Bonds and Accepting Electrons

Postby Hayden Lee 1C » Sun Nov 15, 2020 10:52 pm

I believe that CO2 would be considered a Lewis Acid due to its polarity because of the positive charge that is on the central carbon atom. Since the carbon atom is partially positive while the adjacent oxygen atoms are partially negative, the carbon is able to attract lone pair electrons. Molecules with polar bonds have the ability to accept electrons because of the resulting positive partial charge that the polar bond produces. Hope this helps!

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Re: Bonds and Accepting Electrons

Postby ColmConnolly3D » Sun Nov 15, 2020 11:40 pm

Just to add on a bit I believe it has to be a double bond due to the magnitude of the dipole involved. A polar double bond will have more of a charge disparity than a polar single bond, and therefore more of an ability to accept electrons.

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