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Question
Chemistry
Which of the following order of stability of complex ion is Incorrect?
Q. Which of the following order of stability of complex ion is Incorrect?
88
194
Coordination Compounds
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A
[
F
e
(
C
2
O
4
)
3
]
3
−
<
[
F
e
(
H
2
O
)
6
]
3
+
B
[
F
e
(
e
d
t
a
)
]
−
>
[
F
e
(
e
n
)
3
]
3
+
C
[
N
i
(
e
n
)
2
]
2
+
>
[
N
i
(
D
MG
)
2
]
D
[
F
e
(
CN
)
6
]
3
−
>
[
F
e
(
CN
)
6
]
4
−
Solution:
As number of stable rings increases stability of complex compound also increases due to chelation effect.
Number of rings in
[
N
i
(
e
n
)
2
]
2
+
=
2
Number of rings in
[
N
i
(
d
m
g
)
2
]
=
4