In kjeldahl's method of estimation of nitrogen, nitrogen is quantitatively converted to ammonium sulphate. It is the treated with the standard solution of alkali. The nitrogen which is present is estimated as:

N_{2}

gas

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N O_{2}

gas

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N H_{3}

gas

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{({N H}_{4})}_{2} S O_{4}

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Solution

The correct option is B $N O_{2}$ gas
In estimation of nitrogen from Kjeldahl's method, nitrogen is estimated as $N O_{2}$ gas.

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