Question

IN DNA AND RNA NITROGEN IS PRESENT IN THE RING SYSTEM CAN KJELDAHL METHOD BE USED FOR THE ESTIMATION OF NITROGEN IN THIS ?GIVE REASON

Answer 1

DNA and RNA have nitrogen in the heterocyclic rings. Nitrogen present in rings, azo groups and nitro groups cannot be removed as ammonia

Answer 2

Explanation:

DNA and RNA have nitrogen in the heterocyclic rings. Nitrogen present in rings,azo and nitro group's cannot be converted into (NH4)2SO. That's why Kjeldahl method cannot be used for the estimation of nitrogen present in these.

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