NEET Chemistry Coordination Number MCQ Question
In the coordination complex [Fe(C2O4)3]3-, what is the coordination number of the central metal ion?
6
4
3
8
Correct Answer
Detailed Explanation
The coordination number is determined by the number of ligand donor atoms bonded to the central metal ion. In [Fe(C2O4)3]3-, C2O4 is a bidentate ligand, meaning each oxalate ion coordinates through two donor atoms. Since there are three oxalate ions, the coordination number is 6.
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