1.

Balancethe 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)(c)H2O2(aq) + Fe2+(aq) → Fe3+(aq) + H2O(l) (in acidic solution)(d)+ SO2(g)→ Cr3+(aq) + (aq)(in acidic solution)

Answer»

Balance
the following redox reactions by ion-electron method:


(a)


(aq) + I

(aq)
MnO2
(s) + I
2(s)
(in basic medium)


(b)


(aq) + SO
2
(g)
Mn2+
(aq) +


(aq) (in acidic solution)


(c)
H
2O2
(aq) + Fe
2+
(aq)
Fe3+
(aq) + H
2O
(l) (in acidic solution)


(d)
+ SO
2(g)
Cr3+
(aq) +

(aq)
(in acidic solution)



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