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Resonance Structures
Posted: Fri Oct 26, 2018 10:14 pm
by Hannah Faris 1C
Hi, I just wanted to ask what causes resonance structures, and how to know if a molecule has one? Just wanted to know!!
Thanks!
Re: Resonance Structures
Posted: Fri Oct 26, 2018 11:26 pm
by 505211599
A resonance structure comes into play when there are 2 or more ways of writing out a Lewis structure for a molecule. We lost all structures because we can’t specifically pinpoint one correct structure.
Re: Resonance Structures
Posted: Sun Oct 28, 2018 2:46 pm
by Emilee Hosking 1D
What are some examples of resonance structures? Do they only occur in bonds between certain molecules?
Re: Resonance Structures
Posted: Sun Oct 28, 2018 4:56 pm
by Rhea Churi 4K
Emilee Hosking 1D wrote:What are some examples of resonance structures? Do they only occur in bonds between certain molecules?
Resonance structures are used when one Lewis structure for a single molecule cannot fully describe the bonding that takes place. Polyatomic icons usually have resonance structures, like nitrate for example.
Re: Resonance Structures
Posted: Sun Oct 28, 2018 4:57 pm
by Daniel Lai
Ozone is a good example for resonance. The double bond can be on either side of the central oxygen, so there are two resonance structures.
Re: Resonance Structures
Posted: Mon Oct 29, 2018 1:52 pm
by Laura Gong 3H
Most molecules or ions that have resonant structures usually have more than one oxygen. Some examples include SO42- and NO3- which we did in class and CO32-.