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The stabilization of coordination compou...

The stabilization of coordination compound due to chelation is called the chelate effect. Which of the following is the most stable complex species?

A

`[Fe(CO)_(5)]`

B

`[Fe(CN)_(6)]^(3-)`

C

`[Fe(C_(2)O_(4))_(3)]^(3-)`

D

`[Fe(H_(2)O)_(6)]^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
C
`C_(2)O_(4)^(2-)` (oxalate) is didentate ligand and forms chelate complexes which are more stable than similar complexes containing unidentate ligands.
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