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Question
Chemistry
Why is HCl not used to make the medium acidic in oxidation reactions of KMnO4 in acidic medium?
Q. Why is
H
Cl
not used to make the medium acidic in oxidation reactions of
K
M
n
O
4
in acidic medium?
1966
196
The d-and f-Block Elements
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A
Both
H
Cl
and
K
M
n
O
4
act as oxidising agents.
8%
B
K
M
n
O
4
oxidises
H
Cl
into
C
l
2
which is also an oxidising agent
77%
C
K
M
n
O
4
is a weaker oxidising agent than
H
Cl
8%
D
K
M
n
O
4
acts as a reducing agent in the presence of
H
Cl
7%
Solution:
In case
H
Cl
is used, it is oxidised to
C
l
2
.
2
K
M
n
O
4
+
16
H
Cl
→
2
K
Cl
+
2
M
n
C
l
2
+
8
H
2
O
+
5
C
l
2