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Organic Chemistry Bond Strength Watch

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    Why is bond A stronger than bond B? Is there a potential resonance structure in B that causes it to be a partial double bond?
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    Why is bond A stronger than bond B? Is there a potential resonance structure in B that causes it to be a partial double bond?
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    (Original post by PatchworkTeapot)
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    Why is bond A stronger than bond B? Is there a potential resonance structure in B that causes it to be a partial double bond?
    Conjugation
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    (Original post by PatchworkTeapot)
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    Why is bond A stronger than bond B? Is there a potential resonance structure in B that causes it to be a partial double bond?
    As Charco said, the system containing bond B is conjugated, you can represent this conjugation with a resonance structure Name:  acrolein.png
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