Tardigrade
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Tardigrade
Question
Chemistry
In the titration of KMnO 4 and oxalic acid in acidic medium, the change in oxidation number of carbon at the end point is
Q. In the titration of
K
M
n
O
4
and oxalic acid in acidic medium, the change in oxidation number of carbon at the end point is ______
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JEE Main 2022
The d-and f-Block Elements
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Answer:
1
Solution:
Oxidation state of carbon changes from
+
3
to
+
4
.
2
K
M
n
O
4
+
5
H
2
C
2
O
4
+
3
H
2
S
O
4
(dil.)
→
K
2
S
O
4
+
2
M
n
S
O
4
+
10
C
O
2
+
8
H
2
O