preparing nitrogen gas in laboratory
with labelled diagram
chemical equation
procedure
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Jaindolly:
U gave me the answer of preparing oxygen gas but i need preparing of nitrogen gas
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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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