1.

The titration of oxalic acid in solution is possibile with KMnO_4 in presence of H_2SO_4 but the titration in presence of HCl does not give satisfactory result because.

Answer»

Chlorine of HCl is oxidised by oxalic ACID.
` H^`+ of HCl is reduced to `H^2` by `MnO_4`.
`MnO_4` is reduced to `MN^(2+)`by HCl.
Oxalic acid is oxidised to `CO_2` and `H_2O` by HCl.

Answer :C


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