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Question
What do you observe when ethene is passed through an alkaline KMnO4 solution?
Solution
When ethylene is passed through cold alkaline KMnO4 solution 1, 2-ethanediol is formed. The purple color of KMnO4 decolorizes.
\[\ce{CH2 = CH2 + H - O - H + [O] → CH2(OH) - CH2(OH)}\]
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