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Question
Chemistry
Which of the oxide of manganese is amphoteric?
Q. Which of the oxide of manganese is amphoteric?
1234
213
Uttarkhand PMT
Uttarkhand PMT 2008
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A
M
n
O
2
B
M
n
2
O
3
C
M
n
2
O
7
D
M
n
O
Solution:
oxide of
M
n
in its intermediate oxidation state ie,
+
4
is
M
n
O
2
. This is amphoteric in character.