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In Kjeldahl's method, nitrogen present i...

In Kjeldahl's method, nitrogen present is estimated as `:`

A

`N_(2)`

B

`NH_(3)`

C

`NO_(2)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
In this method the nitrogen present is qunatitively converted into `(NH_(4))_(2)SO_(4)` on heating with conc. `H_(2)SO_(4)`. The `(NH_(4))_(2)SO_(4)` is then treated with standard solution to liberate `NH_(3)` , which is absorbed in `H_(2)SO_(4)` to obtain precentage of nitrogen
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Knowledge Check

  • In kjeldahl's method ,nitrogen present in estimated as :

    A
    `N_(2)`
    B
    `NH_(3)`
    C
    `NO_(3)`
    D
    non of these

  • In Kjedhal's method,, the nitrogen presence is estimed as

    A
    `N_(2)`
    B
    `NH_(3)`
    C
    `NO_(2)`
    D
    `N_(2)O_(3)`

  • In Kjeldahl's method, nitrogen is estimated as :

    A
    `N_(2)`
    B
    `NH_(3)`
    C
    `NO_(2)`
    D
    `NH_(4)OH`

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