7.5     How is nitrogen prepared in the laboratory? Write the chemical equations of the reactions involved.

Answers (1)
D Devendra Khairwa

For the preparation of nitrogen, we treat ammonium chloride with sodium nitrite. The following reaction occurs.     

                                      NH_4Cl\ +\ NaNO_2\ \rightarrow N_2\ +\ H_2O\ +\ NaCl

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