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Tardigrade
Question
Chemistry
In neutral or faintly alkaline medium, KMnO 4 being a powerful oxidant can oxidize, thiosulphate almost quantitatively, to sulphate. In this reaction overall change in oxidation state of manganese will be :
Q. In neutral or faintly alkaline medium,
K
M
n
O
4
being a powerful oxidant can oxidize, thiosulphate almost quantitatively, to sulphate. In this reaction overall change in oxidation state of manganese will be :
321
1
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The d-and f-Block Elements
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A
5
30%
B
1
11%
C
0
1%
D
3
57%
Solution:
8
M
+
7
n
O
4
−
+
3
S
2
O
3
2
−
+
H
2
O
→
8
M
+
4
n
O
2
+
6
S
O
4
2
−
+
2
O
H
−
Change in oxidation state of
M
n
is from
+
7
to
+
4
which is 3 .