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Tardigrade
Question
Chemistry
The number of unpaired electron in Mn2+ is
Q. The number of unpaired electron in
M
n
2
+
is
1815
188
BHU
BHU 2007
Report Error
A
4
B
5
C
6
D
7
Solution:
M
n
=
(
25
)
=
3
d
5
4
s
2
M
n
2
+
=
(
23
)
=
3
d
5
4
s
0
Five unpaired electrons are present in
d
subshell of
M
n
2
+
.