1.

How is nitrogen in the laboratort ? Write the chemical equations of the reactions involved.

Answer»

Solution :Nitrogen is prepared in the laboratory by heating an EQUIMOLAR AQUEOUS solution of AMMONIUM chloride and sodium nitrite. The ammonium nitrite formed as a result of double decomposition reaction, being unstable decomposes to form dinitrogen gas.
`NH_(4)Cl(aq)+NaNO_(2)(aq)toNH_(4)NO_(2)(aq)+NaCl(aq)`
`underset("Amm.nitrite")(NH_(4)NO_(2)(aq))OVERSET("Heat")tounderset("Dinitrogen")(N_(2)(G)+2H_(2)O(l)`


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