## Formal Charge and Resonance

$FC=V-(L+\frac{S}{2})$

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

### Formal Charge and Resonance

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

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

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

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

Posts: 82
Joined: Wed Sep 18, 2019 12:21 am

### Re: Formal Charge and Resonance

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

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.