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Chemical Chameleon; Step-wise reduction of Potassium Permanganate

Written By Chemistry Reacts on Friday, Jan 06, 2023 | 08:04 AM

 
Table sugar (sucrose) is added to a solution of potassium permanganate (KMnO4) under alkaline conditions (NaOH). As KMnO4 is reduced the observed colour is changed from the deep pink to brown of MnO2. KMnO4 is reduced through a relatively complex sequence with the oxidation of sucrose which is observed by the change in colour.

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