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d- and f-Block Elements
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Important compounds: KMnO4 and K2Cr2O7
NEET level
Single correct option
Difficulty 1 of 3
df084
In acidic medium,
MnO
X
4
X
−
is finally reduced to
A
Mn
X
2
+
B
MnO
X
2
C
MnO
X
4
X
2
−
D
Mn
X
2
O
X
3
Answer: A
In acidic solution
MnO
X
4
X
−
+
8
H
X
+
+
5
e
−
→
Mn
X
2
+
+
4
H
X
2
O
.
MnO
X
2
forms in neutral or weakly alkaline medium and
MnO
X
4
X
2
−
in strongly alkaline medium.
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