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When tertiary butyl alcohol and 1-butanol are separately terated with a few drops of KMnO_(4) in one case only the purple colour disappers and a brown precipitte is formed. Which of the two alcohols gives the above reaction and what is that brown precipitate? |
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Answer» Solution :1-Butanol, being PRIMARY alcohol gets oxidised by dilute `KMnO_(4)`. The brown PRECIPITATE is DUE to the formation of manganese DIOXIDE. `underset("Manganese dioxide")(2KMnO_(4) + H_(2)O) to 3KOH + 2MnO_(2) + 3(O)` `underset("1-butanol")(CH_(3)-CH_(2)-CH_(2)-CH_(2)OH overset(2(O))underset("roomtemp")to underset("butanoic acid")(CH_(3)CH_(2)CH_(2)COOH + H_(2)O)` |
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