Formal charge and resonance


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206189669
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Joined: Fri Sep 29, 2023 11:29 am

Formal charge and resonance

Postby 206189669 » Sat Dec 09, 2023 10:58 pm

If there are multiple resonance structures of a molecule, would some atoms be more favorable to take on a -1 or +1 charge? Does electronegativity play a factor into which resonance structures are more favored?
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Alyssa Bercero 3H
Posts: 157
Joined: Fri Sep 29, 2023 11:39 am

Re: Formal charge and resonance

Postby Alyssa Bercero 3H » Sat Dec 09, 2023 10:59 pm

It is more favorable for the more electronegative atom to carry the negative charge.
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105561735
Posts: 82
Joined: Sat Oct 09, 2021 5:04 am

Re: Formal charge and resonance

Postby 105561735 » Sun Dec 10, 2023 11:13 am

I may be wrong but the higher the electronegativity, the more likely it is to carry on a negative charge but we should always aim to make the overall structure have a formal charge that is closest to 0
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