Questions/Chemical Kinetics/Why in the redox tit...
Factors Influencing RateChemical Kinetics

Why in the redox titration of KMnO4KMnO_4 vs oxalic acid, do we heat oxalic acid solution before starting the titration?

Expert Answer

The reaction between permanganate and oxalate ions is very slow at room temperature. Heating increases the temperature, thereby increasing the rate of reaction (by providing activation energy) so the decolorization is visible during titration.

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