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Oxalic acid and acidified permanganate react slowly in… | StemPy Lab
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Oxalic acid and acidified permanganate react slowly in a cold solution, but the pink colour fades faster after a few drops. What explains this?
Chemistry
Medium
High School (11–12)
Redox Reactions › Balancing Redox Equations and Redox Titrations
AP
A-Level
IB
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Oxalic acid and acidified permanganate react slowly in a cold solution, but the pink colour fades faster after a few drops. What explains this?
Permanganate is first reduced to manganese dioxide
The solution is warmed by the water that forms
The oxalate is slowly changed into a more reactive ion
The
Mn
2
+
\text{Mn}^{2+}
Mn
2
+
ions formed catalyse the reaction
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