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Standard XII
Chemistry
Coordination Complexes
Question
Which of the following complex has five unpaired electrons?
[
A
g
(
N
H
3
)
2
]
+
[
M
n
(
H
2
O
)
6
]
2
+
[
M
n
(
C
N
)
6
]
3
−
[
C
r
C
l
3
(
H
2
O
3
]
A
[
M
n
(
H
2
O
)
6
]
2
+
B
[
M
n
(
C
N
)
6
]
3
−
C
[
A
g
(
N
H
3
)
2
]
+
D
[
C
r
C
l
3
(
H
2
O
3
]
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Solution
Verified by Toppr
M
n
2
+
has
d
5
configuration, since
H
2
O
is weak ligand field, so it does not causes pairing of electrons and hence it has 5 unpaired electrons.
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Which of the following complex has five unpaired electrons?
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Q2
Number of unpaired electrons present in
[
M
n
(
C
N
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]
3
–
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