Labelling Resonance Structures

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hannahdaijo_4H
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Joined: Fri Sep 28, 2018 12:27 am

Labelling Resonance Structures

Postby hannahdaijo_4H » Mon Nov 26, 2018 10:41 pm

When drawing resonance structures, is it necessary to label the atoms numerically like the solutions manual does? (e.g. the solution for 2B.17 7th edition)

Jake Gordon 1A
Posts: 61
Joined: Fri Sep 28, 2018 12:15 am

Re: Labelling Resonance Structures

Postby Jake Gordon 1A » Mon Nov 26, 2018 11:00 pm

I don't think it's typically necessary. I think the book did so to drill home the point that in one structure 2 carbons are single bonded and 2 are double bonded and then it is flipped in the second. I know they also number carbons when drawing glucose so it might be more common in larger, repetitive structures especially in organic chemistry examples.

Elizabeth Kim 4E
Posts: 60
Joined: Fri Sep 28, 2018 12:29 am

Re: Labelling Resonance Structures

Postby Elizabeth Kim 4E » Thu Nov 29, 2018 2:00 am

I don't think it's necessary either

Courtney Quan 1C
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Joined: Fri Sep 28, 2018 12:26 am
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Re: Labelling Resonance Structures

Postby Courtney Quan 1C » Thu Nov 29, 2018 9:35 am

No, it is not necessary to label the atoms numerically in resonance structures. It was just used in the manual to emphasis the fact that resonance spreads multi-bond character across the overall compound.


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