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Question
Chemistry
Which of the following is an example of coordination isomerism?
Q. Which of the following is an example of coordination isomerism?
1265
228
Punjab PMET
Punjab PMET 2011
Coordination Compounds
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A
[
C
o
(
N
H
3
)
3
(
H
2
O
)
2
Cl
]
B
r
2
12%
B
[
C
o
(
N
H
3
)
6
]
[
C
r
(
C
2
O
4
)
3
]
69%
C
[
C
o
(
N
H
3
)
5
N
O
3
]
S
O
4
8%
D
[
Pt
(
N
H
3
)
4
C
l
2
]
B
r
2
11%
Solution:
Coordination isomerism occurs when both cation and anion are complex. This isomerism is caused by the interchange of ligands between the two complex ions, e.g.
[
C
o
(
N
H
3
)
6
]
[
C
r
(
C
2
O
4
)
3
]
[
C
r
(
N
H
3
)
6
]
[
C
o
(
C
2
O
4
)
3
]