How nitrogen is prepared in the laboratory?


Dinitrogen is prepared in the laboratory by heating a solution an equivalent amount of sodium nitrite and ammonium chloride when ammonium nitrite and sodium chloride are formed. Ammonium nitrite then decomposes to nitrogen and water.

NH4Cl + NaNO2 → NH4NO2 + NaCl

NH4NO2 → N2 + 2H2O

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