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Thermal Stability of Nitrates

Edexcel AS-level ChemistryGroup 2Lesson 13 of 16

Thermal Stability of Nitrates

When heated all group 1 and group 2 nitrates decompose to nitrites or oxides and give off nitrogen dioxide (brown fumes) or oxygen.group 1 (except lithium): metal nitrate → metal nitrite + oxygen

group 2 and lithium: metal nitrate → metal oxide + nitrogen dioxide + oxygen

Diagram

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