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Grade: 12
        
Hydrogen peroxide solution (20 ml) reacts quantitatively with a solution of KMnO4(20 ml) acidified with dilute H2SO4. The same volume of the KMnO4 solution is just decolourised by 10 mL of MnSO4 in neutral medium simultaneously forming a dark brown precipitate of hydrated MnO2. The brown precipitate is dissolved in 10 ml of 0.2 M sodium oxalate under boiling condition in the presence of dilute H2SO4. Write the balanced equations involved in the reactions and calculate the molarity of H2O2.
2 years ago

Answers : (1)

Ashutosh Sharma
askIITians Faculty
181 Points
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2 years ago
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