Nitrogen may be isolated from air or from the reaction between ammonium chloride and sodium nitrite.

Nitrogen may be isolated from air or from the reaction between ammonium chloride and sodium nitrite.

(a) (i) State the condition necessary for the production of nitrogen from ammonium chloride and sodium nitrite.

(ii) Write an equation for the reaction above.


(b) Name a major impurity contained in nitrogen isolated from air.

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(a) (i) Heating

(ii) NaNO₂ (aq) + NH₄Cl (aq) ? N₂ (g) + NaCl (aq) + 2H₂O (l)


(b) Argon

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maurice.mutuku answered the question on August 14, 2019 at 14:26

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