Thermal Decomposition Flashcards
1
Q
Heating of Nitrate Salts
General + Exceptions
A
In general, metal nitrates decompose on heating to form metal oxides, NO2 and O2 gas.
- Example: 2Cu(NO3)(s) → 2CuO(s) + 4NO3(g) + O2(g)
Exceptions: KNO3 and NaNO3 decompose to form metal nitrite and O2 gas.
- Example: KNO3(s) → 2KNO2(s) + O2(g)