Balance the following ionic equationsi Cr2O72- - H- - I- - Cr3- - I2- H2Oii Cr2O72- Fe2- - H- - Cr3- - Fe3- - H2Oiii MnO4- - SO32- - H- - Mn2- - SO42- - H2Oiv MnO4- - H- - Br- - Mn2- -Br2 - H2O

Balanced equations of given unbalanced equationsi) #160; #160; Cr _ 2 O _ 7 ^ 2 +6 I ^ +14 H ^ + ⇌ 2 Cr ^ +3 +3 I _ 2 +7 H _ 2 O ii) #160; Cr ...

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Ion Electron Method

Balance the f...

Question

Balance the following ionic equations
(i) $C r_{2} O_{7}^{2 -} + H^{+} + I^{-} \to C r^{3 +} + I_{2} + H_{2} O$
(ii) $C r_{2} O_{7}^{2 -} + F e_{2}^{+} + H^{+} \to C r^{3 +} + F e^{3 +} + H_{2} O$
(iii) $M n O^{4 -} + S O_{3}^{2 -} + H^{+} \to M n^{2 +} + S O_{4}^{2 -} + H_{2} O$
(iv) $M n O^{4 -} + H^{+} + B r^{-} \to M n^{2 +} + B r_{2} + H_{2} O$

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C r_{2} O_{7}^{2 -} + F e^{2 +} + H^{+} \to C r^{3 +} + F e^{3 +} + H_{2} O

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

C r_{2} O_{7}^{2 -} + F e^{2 +} + H^{+} \to C r^{3 +} + F e^{3 +} + H_{2} O

H^{+} + C r_{2} O_{7}^{2 -} + S O_{3}^{2 -} \to C r^{3 +} + S O_{4}^{2 -}

H^{+}

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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