Subject: Why does titration of H2O2 with 0.02M KMnO4 not work at high conc,ie.1.0 M?
Date: Mon Feb 14 13:17:46 2000
Posted by Sharon Chan
Grade level: 10-12
School: Headington School Oxford
City: Oxford State/Province: N/A
Country: United Kingdom
Area of science: Chemistry
The faint permanent pink colour occurs after several drops of KMnO4 has
been added. I have repeated the experiment several times, therefore it is
not operational errors! The titration only works when a concentration of
0.05 M of H2O2 is used.
Re: Why does titration of H2O2 with 0.02M KMnO4 not work at high conc,ie.1.0 M?
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