from nuclearrabbit
Under thermal conditions or ignited by sulfuric acid, KClO3(s) decomposes to KCl(s) and 3/2 O2(g), which is a disproportionation reaction. The O2(g) generated oxidises very quickly carbohydrates as sucrose, C12H22O11(s,) liberating lots of heat, CO2(g) and H2O(g)...the presence of a bit of CuCl2(s) gives the bluish colour to the flames...very spectacular!!...
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