C) Reaction with Potassium Permanganate The Baeyer test for unsaturated hydrocarbons involves reaction with a hydrocarbon with alkene (or alkyne) like double bonds

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C) Reaction with Potassium Permanganate

The Baeyer test for unsaturated hydrocarbons involves reaction with a hydrocarbon with alkene (or alkyne) like double bonds. Even though you can draw double bonds for aromatic hydrocarbons (benzene or toluene), these double bonds do not react like alkene double bonds

Evidence that an alkene-like double bound is present is the rapid dissappearance of the permanganate purple color. Potassium permanganate is a very strong oxidizing agent and can also oxidize other organic compounds, such as alcohols

Add 2-3 drops of 0.8% potassium permanganate solution to about | ml. of hexane, cyclohexene, and toluene added to separate test tubes. Mix the solutions and note the results, including color changes, whether the liquide mixture remains clear, is there change in temperature, etc. Based on your experiments, what types of bonds in hydrocarbons react with potassium permanganate?