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why the patassium permanganate is self indicator

why the patassium permanganate is self indicator

Grade:11

1 Answers

Aarti Gupta
askIITians Faculty 300 Points
10 years ago
Potassium permanganate (KMnO4) is the dark purple color solution and in titration it become colorless,so when the titration is completed and the other single drop of KMnO4 solution produce pinkish colour in a beaker indicating that the reaction is completed just a single drop before.So we don't used indicator in titration with KMnO4 because it also indicate us by changing its color ...colorless to pink acting as self -indicator.
Thanks & Regards
Aarti Gupta
askiitian Faculty


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