MnO4 + H2C2O4 → Mn^2+ + CO2 In Acid Solution By Ion Electron ...

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Ask a Question MnO4 + H2C2O4 → Mn^2+ + CO2 in acid solution by ion electron method. ← Prev Question Next Question → +1 vote 57.4k views asked Feb 14, 2020 in Chemistry by Nishu03 (62.4k points)

MnO4 + H2C2O4 → Mn2+ + CO2 in acid solution by ion electron method.

• redox reactions
• class-11

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1 Answer

+3 votes answered Feb 14, 2020 by SurajKumar (64.8k points) selected Feb 15, 2020 by Nishu03 Best answer

For MnO4- + H2C2O4 → Mn2+ + CO2;

here

∴ 5e- + MnO4- → Mn2+ + 4H2O

and 8H+ + 5e- MnO4- → Mn2+ + 4H2O ....(i)

In H2C2O4 → CO2

here

∴ H2C2O4 → 2CO2 + 2e-

H2C2O4 → 2CO2 + 2H+ + 2e- ...(ii)

Multiplying equation (i) by 2 and (ii) by 5 and adding (i) and (ii)

2MnO4- + 6H+ + 5H2C2O4 → 10CO2 + 2Mn2+ + 8H2O

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