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JEE Main Chemistry Class 12 Analytical Chemistry Questions
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© examsnet.com
Question : 22
Total: 106
Which of the following reactions are disproportionation reactions?
(A)
Cu
+
⟶
Cu
2
+
+
Cu
(B)
3
MnO
4
2
−
+
4
H
+
⟶
2
MnO
4
−
+
MnO
2
+
2
H
2
O
(C)
2
KMnO
4
⟶
K
2
MnO
4
+
MnO
2
+
O
2
(D)
2
MnO
4
−
+
3
Mn
2
+
+
2
H
2
O
⟶
5
MnO
2
+
4
H
+
Choose the correct answer from the options given below:
[1-Feb-2024 Shift 1]
(A), (B)
(B), (C), (D)
(
A
)
,
(
B
)
,
(
C
)
(A), (D)
Validate
Solution:
When a particular oxidation state becomes less stable relative to other oxidation state, one lower, one higher, it is said to undergo disproportionation.
Cu
+
⟶
Cu
2
+
+
Cu
3
MnO
4
2
−
+
4
H
+
⟶
2
MnO
4
−
+
MnO
2
+
2
H
2
O
© examsnet.com
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