Shweta Thakur posted an Question
August 01, 2020 • 00:42 am 30 points
  • IIT JAM
  • Chemistry (CY)

Why here gauche is more stable than anti ... 0 ia o

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2 Answer(s) Answer Now
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    Priyanshu kumar Best Answer

    https://youtu.be/qOaZXZaVCNc have you see this video or not on gauche effect??

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    half dekhi hai baaki Dekh ri hin

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    Gauche effect tak dekh lena iska

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    thanku

  • comment-profile-img>
    Priyanshu kumar best-answer

    shweta in OCh3 there is lone pair on oxygen and gauche effect say most bulky substituents tends to occupy gauche position w.r.t to lone pair

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    So this is mainly due to concept of gauche effect

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    sir I have taken this question from chem ..there they are saying that two ch3 group orient differently therefore gauche effect is there although they are bulky

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    shweta have you check this video...which i sent...whenever there lone pair comes then always gauche effect comes...and bulky substituents is placed 60 degree to lone pair

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    no sir

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    shweta this can also be imagine in 3d ...you see here it is no steric hindrance between two OCH3 group

  • Suman Kumar

    I could not find any reason. I think staggered will be more stable

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    please show me your newman conformation

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    sir this I have taken from video u have sent

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    plz tell in MSc also we will have steriochemistry especially conformation

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    Reason was not mentioned?

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    mentioned

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    sir

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    but I got

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    plz tell in MSc also we will have steriochemistry especially conformation

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    yes Sweta

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    Stereochemisty you have to study

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    ok sir thanks

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