When KMnO. solution is added to oxalic acid solution, the decolourisation is slow in the beginning but becomes instantaneous after some time because [NCERT Exemplar] (a) CO2 is formed as the product. (b) Reaction is exothermic. (c) MnO4– catalyses the reaction. (d) Mn2+ acts as autocatalyst.

When KMnO. solution is added to oxalic acid solution, the decolourisat

1.	When KMnO. solution is added to oxalic acid solution, the decolourisation is slow in the beginning but becomes instantaneous after some time because [NCERT Exemplar] (a) CO2 is formed as the product. (b) Reaction is exothermic. (c) MnO4– catalyses the reaction. (d) Mn2+ acts as autocatalyst.
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