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Question
Give a reason for the following.
The purple colour of KMnO4 disappears in the presence of acidified solution of oxalic acid.
One Line Answer
Solution
The oxidation state of Mn changes from Mn+7 (purple) to Mn+2 (colourless) in the presence of an acidified solution of oxalic acid.
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Preparation, Properties and Uses of Propane-1, 2, 3 Triol - Oxidation with Kmno4 and Reaction with Oxalic Acid
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