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In Kjeldahl's method, the nitrogen prese...

In Kjeldahl's method, the nitrogen present in the organic compound is estimated as

A

`NH_(4)HSO_(4)`

B

`(NH_(4))_SO_(4)`

C

`NH_`

D

`N_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Organic compound containing `N underset(Delta)overset(H_(2)SO_(4))rarr(NH_(4))_(2)`
`SO_(4)overset(2NaOH)rarr2Na_(2)SO_(4) + 2NH_(3) + 2H_(2)O`
`2NH_(3) + H_(2)SO_(4) rarr (NH_(4))_(2)SO_(4)`
In Dumas' method, nitrogen is estimated as `N_(2)`.
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