Which of the following molecule or ions is a bidentate ligand?

1. $\mathrm{C}_2 \mathrm{O}_4^{2-}$
2. $\mathrm{Br}_2^{+}$
3. $\mathrm{CH}_3 \mathrm{NH}_2$
4. $\mathrm{CH}_3-\mathrm{C} \equiv \mathrm{N}$

Solution

Bidentate ligands are those ligand which can coordinate to metal atom by two donor atoms. e.g.

Asked in: MHT CET Full Test 3

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