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Tardigrade
Question
Chemistry
The stabilisation of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?
Q. The stabilisation of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?
3352
206
Coordination Compounds
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A
[
F
e
(
CO
)
5
]
11%
B
[
F
e
(
CN
)
6
]
3
−
18%
C
[
F
e
(
C
2
O
4
)
3
]
3
−
66%
D
[
F
e
(
H
2
O
)
6
]
3
+
5%
Solution:
C
2
O
4
2
−
(oxalate) is didentate ligand and forms chelate complexes which are more stable than similar complexes containing unidentate ligands.