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in Chemistry by (56.2k points)

Balance the following equations by the oxidation number method.

(i) Fe2+ + H+ + Cr2O72- → Cr3+ + Fe3+ + H2O

(ii) I2 + NO3-→ NO2 + IO3-

(iii) I2 + S2O32- → I + S4O

(iv) MnO2 + C2O42- → Mn2+ + CO2

1 Answer

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Total increase in O.N. = 5×2= 10

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