Coordination CompoundMedium
Question
Which one of the following is an ambidentate ligand?
Options
A.Ethane-1,2-diamine
B.Ethylenediaminetetraacetate ion
C.Thiocyanate
D.Oxalate
Solution
Sol. [Key Concept: Ambidentate ligands (SCN⁻, NO2⁻ bind through two atoms)]
An ambidentate ligand is a ligand which has two different donor atoms and either of the two ligates in complex.
(1) Ethane-1,2-diamine → bidentate
(2) Ethylenediamine tetraacetate ion → hexadentate
(3) Thiocyanate $\left( {SCN}^{-} \right) \rightarrow$ Ambidentate ligand.
(4) Oxalate → bidentate
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