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Topic: allylic vs. vinylic  (Read 18042 times)

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polly

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allylic vs. vinylic
« on: April 08, 2004, 08:01:59 PM »
why is allylic more stable then vinylic?
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Offline Mitch

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Re:allylic vs. vinylic
« Reply #1 on: April 08, 2004, 08:44:58 PM »
Can you draw a resonance for the vinylic ion? Can you draw one for the allylic ion?
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polly

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Re:allylic vs. vinylic
« Reply #2 on: April 10, 2004, 07:39:56 PM »
thanks- understood.  allylic is much more stable bc the radical carbon adopts an sp2 hybridization which puts the unpaired electron in a p orbital giving a symmetrical structure - having resonance forms.  
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Offline Mitch

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Re:allylic vs. vinylic
« Reply #3 on: April 10, 2004, 07:45:30 PM »
That was said very well. I don't think I could of said it better.
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