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Byju's Answer
Standard XII
Chemistry
Potassium Permanganate
In dilute alk...
Question
In dilute alkaline solution,
M
n
O
−
4
changes to:
A
M
n
O
2
−
4
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B
M
n
O
2
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C
M
n
2
O
3
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D
M
n
O
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Solution
The correct option is
D
M
n
O
2
−
4
In the dilute alkaline solution,
M
n
O
−
4
changes to
M
n
O
2
−
4
.
In this reaction, Mn(VII) accepts an electron to form Mn(VI).
M
n
O
−
4
→
M
n
O
2
−
4
+
e
−
So, the correct option is (A)
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Similar questions
Q.
In dilute alkaline solution,
M
n
O
−
4
changes to:
Q.
Write the balanced equation.
M
n
O
2
−
4
→
M
n
O
−
4
+
M
n
O
2
Q.
The most basic oxide among
M
n
O
,
M
n
2
O
3
,
M
n
O
2
and
M
n
2
O
7
is :
Q.
Pyrolusite in
M
n
O
2
is used to prepare
K
M
n
O
4
.
Steps are :
M
n
O
2
I
→
M
n
O
2
−
4
+
M
n
O
−
4
Q.
M
n
O
2
−
4
can be converted to
M
n
O
−
4
:
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