When t-butanol and n-butanol are separately treated with a few drops of dilute `KMnO_(4)` in one case only, the purple colour disappears and a brown precipitate is formed. Which of the two alchols gives the above reaction and what is the brown precipitate?

Answer

t-Butanol is not oxidised by dilute `KMnO_(4)`, so it does not give brown-black precipitate of `MnO_(2)`. n- Butanol is oxidised wit dil `KMnO_(4)` and `MnO_(4)^(-)` is converted to brown-black precipitate of `MnO_(2)`.
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