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  4. In acidic medium, potassium permanganate oxidises oxalic acid to

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Q. In acidic medium, potassium permanganate oxidises oxalic acid to

COMEDKCOMEDK 2014The d-and f-Block Elements

Solution:

In acidic medium, oxalic acid is oxidised to $CO_2$ by $ KMnO_4$ .
$ 5(COOH)_2 + 2KMnO_4 + 3H_2SO_4 \rightarrow K_2SO_4 + 2MnSO_4 + 10CO_2 + 8H_2O$