How is nitrogen prepared in the laboratory? Write the chemical equations of the reactions involved.
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Answer:nitrogen is prepared by the reaction of 1:1 aqueous mixture of sodium nitrite and ammonium chloride
Explanation:NaNO2+NH4Cl=Nacl+NH4NO2
at next nh4no2 is decomposed to N2
NH4NO2 =N2+H20
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Answer:
An aqueous solution of ammonium chloride is treated with sodium nitrite.
NH4Cl (aq ) + NaNO2 →N2(g) + 2H2O(l) + NaCl(aq)
NO and HNO 3
are produced in small amounts. These are impurities that can be removed on passing nitrogen gas through aqueous sulphuric acid, containing potassium dichromate.
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