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Question
Chemistry
In acidic medium, potassium permanganate oxidises oxalic acid to
Q. In acidic medium, potassium permanganate oxidises oxalic acid to
3287
224
COMEDK
COMEDK 2014
The d-and f-Block Elements
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A
oxalate
30%
B
carbon dioxide
29%
C
acetate
32%
D
acetic acid.
9%
Solution:
In acidic medium, oxalic acid is oxidised to
C
O
2
by
K
M
n
O
4
.
5
(
COO
H
)
2
+
2
K
M
n
O
4
+
3
H
2
S
O
4
→
K
2
S
O
4
+
2
M
n
S
O
4
+
10
C
O
2
+
8
H
2
O