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Sourav posted an Question
August 26, 2020 • 19:39 pm 30 points
  • IIT JAM
  • Chemistry (CY)

15. arrange the following in the decreasing order of acidity of the hydrogen indicated in italics ch,coch, (ii) ch,00cch,cooch, (a) (i)>(ii) >()>(iv) (c) (iv)>

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    Priyanshu kumar Best Answer

    Option B is correct

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    in 4th there is highly EW NO2 grp

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    Due to this the conjugate base in case of Iv is highly stable

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    Now II > III as because in case of III the lone pair on methoxy grp decreases the EWG tendency so less stable than II

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    got this sourav??

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    Acetone is least acidic

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    So order will be Iv>II>III>I

  • Suman Kumar

    option B is correct

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    how

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    -COCH3 is more eletron withdrawing in nature than -COOCH3

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    More the eletron withdrawing group is more will be the acidity. Then check strength of eletron withdrawing group

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