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Byju's Answer
Standard XII
Chemistry
Assigning Oxidation Numbers
Complete and ...
Question
Complete and balance the following chemical equation:
M
n
O
−
+
H
2
O
+
I
−
→
Open in App
Solution
Here,
+
7
M
n
O
−
4
⟶
+
4
M
n
O
2
I
−
⟶
I
∘
2
Reduction:
2
M
7
+
n
+
6
e
−
⟶
2
M
4
+
n
Oxidation:
6
I
−
−
6
e
−
⟶
6
I
∘
Balancing
O
atoms in reduction reaction,
2
M
n
O
−
4
+
4
H
2
O
⟶
2
M
n
O
2
+
8
O
H
−
Overall reaction is:
2
M
n
O
−
4
+
6
I
−
+
4
H
2
O
⟶
2
M
n
O
2
+
3
I
2
+
8
O
H
−
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Similar questions
Q.
Complete and balance the following chemical equations :
(a)
F
e
2
+
+
M
n
O
−
4
+
H
+
⟶
(b)
M
n
O
−
4
+
H
2
O
+
I
−
⟶
Q.
Complete the following reaction as balanced chemical equations:1.Na+H2O=? 2.K+H2O=? 3.Ca+H2o?
Q.
The complete balanced equation is:
M
n
O
2
+
H
2
O
2
→
M
n
O
−
4
+
H
2
O
(Basic medium)
Q.
Balance the following equation:
M
n
O
−
4
→
M
n
2
+
+
H
2
O
Q.
Complete and balance the following chemical equations:
(a)
NaCl
(
aq
)
+
H
2
O
(
l
)
→
Electricity
(b)
NaHCO
3
→
Heat
(c)
NaCl
+
NH
3
+
H
2
O
+
CO
2
→
(d)
Ca
(
OH
)
2
+
Cl
2
→
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