3(A) + NaNO2 → 2Na2O + 5N2 : A is
N2
3NaN3 + NaNO2 → 2Na2O + 5N2
Sodium azide reacts with sodium nitrite to form sodium oxide and nitrogen. This method is used in the preparation of pure sodium oxide.
Which of the following will yield N2 when heated?
NH4Cl + NaNO2→ ____ + ____