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In DNA and RNA, nitrogen atom is present...

In DNA and RNA, nitrogen atom is present in the ring system. Can Kjeldahl method be used for the estimation of nitrogen present in these. Give reasons.

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DNA and RNA have nitrogen in the heterocyclic rings. Nitrogen present in rings, azo and nitro groups cannot be converted into `(NH_(4))_(2) SO_(4)`. That's why Kjeldahi method cannot be used for the estimation of nitrogen present in DNA and RNA
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Knowledge Check

  • Kjeldahl's method is used in the estimation of

    A
    nitrogen
    B
    halogen
    C
    sulphur
    D
    Oxygen

  • Kjeldahl's method cannot be used for the estimation of nitrogen in

    A
    Pyridine
    B
    Nitro Compounds
    C
    Azo compounds
    D
    All tha three above

  • Kjeldahl s method cannot be used for the estimation of nitrogen in

    A
    Pyridine
    B
    Nitro compounds
    C
    Azo compounds
    D
    All the above

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    Kjeldahl's method for estimation of nitrogen is not applicable to:

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