Resonance Clarification

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Kyle Harvey 4F
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Joined: Sat Aug 24, 2019 12:17 am

Resonance Clarification

Postby Kyle Harvey 4F » Mon Oct 28, 2019 9:57 am

What does is mean exactly when a compound has resonance? I believe I have the general idea, but could anyone clarify it please?

Michael Nguyen 1E
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Re: Resonance Clarification

Postby Michael Nguyen 1E » Mon Oct 28, 2019 10:37 am

When a molecule has resonance, it means that a multiple bond (double bond, triple bond, etc.) can be placed in different locations within the molecule without having to move the individual atoms in the structure.

Megan Vu 1J
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Re: Resonance Clarification

Postby Megan Vu 1J » Mon Oct 28, 2019 11:27 am

Ultimately, resonance means that lewis structures have multiple bonds in different equivalent locations. It means that sometimes, different chemical compounds have more than one correct Lewis structure. The chemical level is the same, but electrons are distributed differently around the Lewis structure. For example, a nitrate ion has 3 different ways that the Lewis structure can be drawn with 3 different positions for the double bond. The actual representation of the structure is the blending of the structures, which each bond having a partial bond character.

Izzie Capra 2E
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Re: Resonance Clarification

Postby Izzie Capra 2E » Mon Oct 28, 2019 8:43 pm

Also, I think it's important to know that the resonance is the average of the different positions of the bonds.

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Re: Resonance Clarification

Postby pmokh14B » Mon Oct 28, 2019 8:54 pm

A molecule/compound has resonance when there can be a double/triple bond placed at multiple bond sites without changing the orientation or atoms bonded.

Arvind 4G
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Re: Resonance Clarification

Postby Arvind 4G » Mon Oct 28, 2019 10:48 pm

This means that there are multiple possibilities for electron placement, but instead of there being different molecules with different electron placement, the electrons are delocalized and move freely giving the molecule more stability.

Doreen Liu 4D
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Re: Resonance Clarification

Postby Doreen Liu 4D » Tue Oct 29, 2019 10:14 pm

Some Lewis Structures have multiple bonds (double/triple bonds) in different equivalent locations. You have resonance when you can place multiple bonds in different places (i.e. the placement of the double bonds)

Max Madrzyk Dis 4G
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Re: Resonance Clarification

Postby Max Madrzyk Dis 4G » Tue Oct 29, 2019 11:07 pm

Resonance is basically when there are multiple right lewis configurations to describe a molecule and that not every molecule is going to be fixed in one of the states so resonance is the ability for the correct model for to exist in multiple ways and the molecule can be expected to be in any one of these positions equally.

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Re: Resonance Clarification

Postby lauraxie2e » Wed Oct 30, 2019 10:37 am

It has multiple bonds that can be placed differently so the electrons flow around smoothly

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