6 terms

Types of Decomposition Reactions


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Decomposition Reaction #1
Metallic Carbonates, when heated, form Metallic Oxides and CO₂(g).
Ex. CaCO₃(s) → CaO(s) + CO₂(g)
Decomposition Reaction #2
Most Metallic Hydroxides, when heated, decompose into Metallic Oxides and Water.
Ex. Ca(OH)₂(s) → CaO(s) + H₂O(g)
Decomposition Reaction #3
Metallic Chlorates, when heated, decompose into Metallic Chlorides and Oxygen.
Ex. 2KClO₃(s)→ 2KClO(s) + 3O₂(g)
Decomposition Reaction #4
Some acids, when heated, decompose into Nonmetallic Oxides and Water.
Ex. H₂SO₄ → H₂O(l) + SO₃(g)
Decomposition Reaction #5
Some Oxides, when heated, decompose.
Ex. 2HgO(s) → 2Hg(l) + O₂(g)
Decomposition Reaction #6
Some decomposition reactions are produced by electricity.
Ex. 2H₂O(l) → 2H₂(g) + O₂(g)
Ex. 2NaCl(l) → 2Na(s) + Cl₂(g)