Question
Amongst the following, the most stable complex is$:$
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Answer
In each of the given complex, $Fe$ is in $+3$ oxidation state.
As $\ce{C_2O_4^{2-}}$ is didentate chelating ligand, it forms chelate rings.
hence $(c)$ out of complexes given above is the most stable complex.
As $\ce{C_2O_4^{2-}}$ is didentate chelating ligand, it forms chelate rings.
hence $(c)$ out of complexes given above is the most stable complex.
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