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Simun mishra Asked a Question
May 13, 2020 10:30 ampts 30 pts
  • IIT JAM
  • Chemistry (CY)

Why in resonance structure (i) is greater then ( ii) ..?

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  • Simun mishra
    only explain why in this pic i> ii when both the resonating structure have same conjugation .....? except hyperconjugation
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    Dinesh khalmaniya
    yeah we always prefer resonance over hyperconjugation over inductive effect.. here resonance is same, so we will move on hyperconjugation so according to hyperconjugation str I > I...
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  • Suresh khokhar thankyou
    in general terms we wrote down hyperconjugation is resonance but technically both aredifferent scenario so please once you read about hyperconjugation I send you a link those give ...
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  • Dinesh khalmaniya
    check it to clear resonance and hyperconjugation
    • cropped8946651080703399753.jpg
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  • Suresh khokhar
    read about hyperconjugation
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  • Suresh khokhar
    it's not a resonance it hyperconjugation .i send i link u clear your concept https://youtu.be/FB4H7l7RSYM
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    Dinesh khalmaniya
    yes suresh sir, but you know hyperconjugation is a type of resonance so sometimes we can use resonance. but technically it's wrong.😊
  • Simun mishra
    this
    • cropped2041964026434132836.jpg
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    Dinesh khalmaniya
    Don't be confused we can use hyperconjugation rather than resonance.
  • Dinesh khalmaniya
    both have same allylic free radical but str 1 has more hyperconjugating str than II. so I is more stable than II.
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    Simun mishra
    no I m asking only about resonance according to here given