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Question
Chemistry
An element M has the electron configuration [ Ar ] 3 d 5 4 s 2 Which one of its oxide is unlikely to exist
Q. An element
M
has the electron configuration
[
A
r
]
3
d
5
4
s
2
Which one of its oxide is unlikely to exist
1536
209
The d-and f-Block Elements
Report Error
A
M
O
2
B
M
2
O
3
C
M
O
4
D
M
2
O
7
Solution:
In metal carbonyl oxidation state of metal is zero as carbonyl is neutral ligand.
M
n
→
A
r
3
d
5
4
s
2
M
n
O
4
=
+
8
Mn cannot show
+
8
oxidation state.