Formal Charge and Resonance


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Daniel Yu 1E
Posts: 76
Joined: Sat Aug 24, 2019 12:15 am

Formal Charge and Resonance

Postby Daniel Yu 1E » Sun Nov 10, 2019 10:40 pm

Do formal charges give any information on the resonance of a molecule?

Anna Chen 1K
Posts: 84
Joined: Thu Jul 25, 2019 12:18 am

Re: Formal Charge and Resonance

Postby Anna Chen 1K » Sun Nov 10, 2019 10:43 pm

Not really, you should pay attention to the kind of bonds in a compounds in a lewis structure. If there are more than one kind, it should have resonance structures.

KarineKim2L
Posts: 80
Joined: Fri Aug 30, 2019 12:16 am

Re: Formal Charge and Resonance

Postby KarineKim2L » Sun Nov 10, 2019 10:43 pm

I believe that formal charges can tell you which resonance is most stable, and whether a resonance structure is energetically favorable or likely to occur, but it does not directly tell you whether there are resonance structures (which there usually are).

kendal mccarthy
Posts: 83
Joined: Wed Nov 14, 2018 12:22 am

Re: Formal Charge and Resonance

Postby kendal mccarthy » Sun Nov 10, 2019 10:45 pm

Formal charges help you find the most probable structure and from there you can see if there could be resonance structures of that structure.

Max Madrzyk Dis 4G
Posts: 82
Joined: Wed Sep 18, 2019 12:21 am

Re: Formal Charge and Resonance

Postby Max Madrzyk Dis 4G » Sun Nov 10, 2019 10:51 pm

No formal charges help find the most stable structure of the compound but don't really tell you anything about resonance.

Nathan Rothschild_2D
Posts: 106
Joined: Fri Aug 02, 2019 12:15 am

Re: Formal Charge and Resonance

Postby Nathan Rothschild_2D » Sun Nov 10, 2019 11:13 pm

Formal charges will give you the most stable structure, meaning you then should be able to tell based off the most stable structure if the molecule has resonance structures.


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