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Chemistry
Chemistry
Problem
Combine the half-reactions below to obtain the balanced overall redox equation. Any spectator ions should be omitted from your final answer. (i)
M
n
O
2
+
4
H
+
+
2
e
−
→
M
n
2
+
+
2
H
2
O
MnO_{2} + 4H^{+} + 2e^{-} \to Mn^{2+} + 2H_{2}O
M
n
O
2
+
4
H
+
+
2
e
−
→
M
n
2
+
+
2
H
2
O
(ii)
K
C
l
O
3
+
6
H
+
+
6
e
−
→
K
+
+
C
l
−
+
3
H
2
O
KClO_{3} + 6H^{+} + 6e^{-} \to K^{+} + Cl^{-} + 3H_{2}O
K
C
l
O
3
+
6
H
+
+
6
e
−
→
K
+
+
C
l
−
+
3
H
2
O
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