Essential Chemistry for IGCSE - Metals And Reactivity (Section 2 - No. 25)
Which of the following statements about the thermal decomposition of metal nitrates is/are correct?
All metal nitrates decompose to form metal oxides, nitrogen dioxide and oxygen.
Alkali metal nitrates decompose to form a metal nitrite and oxygen.
The ease of decomposition increases with the size of the metal cation.
The products of decomposition depend on the metal.
Explanation
Alkali metal nitrates decompose to metal nitrite and oxygen, others to metal oxide, nitrogen dioxide and oxygen. Decomposition varies by metal.
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