H2O2 - Fe2- - Fe3- - H2O- nbsp- nbsp-balance by ion electron method

The solution is as follows: Anode: nbsp;Fe2+ nbsp; #8594; nbsp;Fe3+ + e nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nb ...

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Preparations and Uses of Caustic Soda

H2O2 + Fe2+ =...

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H₂O₂ + Fe²⁺ = Fe³⁺ + H₂O. balance by ion electron method

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{M n O_{4}}^{-} + F e^{2 +} + H^{+} \to M n^{2 +} + F e^{3 +} + H_{2} O

H_{2} O_{2} (a q) + F e^{2 +} (a q) \to F e^{3 +} (a q) + H_{2} O (l)

C r I_{3} + H_{2} O_{2} + O H^{-} \to C r O_{4}^{2 -} + I O_{4}^{-} + H_{2} O

Balance the following redox reactions by ion-electron method:

(a) (aq) + I^– (aq) → MnO₂ (s) + I₂(s) (in basic medium)

(b) (aq) + SO₂ (g) → Mn²⁺ (aq) + (aq) (in acidic solution)

(d) + SO₂(g) → Cr³⁺ (aq) + (aq) (in acidic solution)

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