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Sourav posted an Question
October 07, 2020 • 00:51 am 30 points
  • IIT JAM
  • Chemistry (CY)

We need to remove h from active methylene grp or from cooh group?

2 Answer(s) Answer Now
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    Priyanshu kumar best-answer

    Sourav option C is correct 3>1>4>2

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    No electron releasing methyl grp in oxalic acid

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    i thought H will be removed from Active methylene grp

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    No here we check the length and H from Cooh grp

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    Dinesh khalmaniya 1 Best Answer

    option C As the length of Carbon chain the the bicarboxylic acid increase, acidity decrease.

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    i have other doubt sir

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    what's your doubt

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    here we will remove H from active methylene group of from CooH

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    from -COOH because it is most acidic group

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    here another -COOH show -I effect and as the distance from -COO- increase, -I decrease and hence acidity decrease

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