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1)Amount of oxalic acid present in a solution can be determined by its titration with kMnO 4 solution in the presence of H 2 So 4 . the titration gives unsatisfactory results when carried out in the presence of hcl

1)Amount of oxalic acid present in a solution can be determined by its titration with kMnOsolution in the presence of H2So4 .the titration gives unsatisfactory results when carried out in the presence of hcl

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1 Answers

Abhishek Singh
105 Points
7 years ago
Titration with kMnOsolution is done in acidic media.
.the titration gives unsatisfactory results when carried out in the presence of hcl, because kMnOsolution can oxidise hcl to chlorine gas but it cant oxidise h2S04. 
So for 1) h2S04 provides only medium bbut in 2) hcl gives medium and behaves as reactant also
 

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