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KMnO4 and glycerine undergo a vigorous oxidation/reduction reaction. KMnO4 is a very strong oxidizing agent, and when in contact with alcohols or poly hydroxy compounds, there is a strong reaction. With glycerol, it is 3 C3H5(OH)3 + 14 KMnO4 --> 14 MnO2 + 7 K2CO3 + 2 CO2 + 12 H2O.
So, it is basically a combustion reaction of an organic triol, resulting in CO2 and H2O, and MnO2 as the reduced form of MnO4.

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7y ago
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7y ago

Potassium permanganate is a very stong oxidizing compound.

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Q: Why does KMnO4 catches fire when glycerine is added to it?
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