Roni posted an Question
November 24, 2020 • 01:46 am 30 points
  • IIT JAM
  • Chemistry (CY)

Please ans my following questions as soon as possible

please ans my following questions as soon as possible

1 Answer(s) Answer Now
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  • Suman Kumar

    2nd is more stable.In the hyperconjugation model, the donation of electron density from the C–H σ bonding orbital to the C–F σ* antibonding orbital is considered the source of stabilization in the gauche isomer. Due to the greater electronegativity of fluorine, the C–H σ orbital is a better electron donor than the C–F σ orbital, while the C–F σ* orbital is a better electron acceptor than the C–H σ* orbital. Only the gauche conformation allows good overlap between the better donor and the better acceptor.

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    Priyanshu kumar Best Answer

    IInd one is stable....gauche effect

    cropped884609406671704781.jpg
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    https://en.m.wikipedia.org/wiki/Gauche_effect Read this

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    thanks sir ❤

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