Which of the following are bidentate monoanion ligands? (1) Acetylacetonato (2) Oxalato ion (3) Dimethylglyoximato Select the correct answer using the codes given below:
A
1 only
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B
1 and 3 only
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C
2 only
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D
2 and 3 only
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Solution
The correct option is A 1 only Acetylacetonate is a bidentate ligand carrying unit negative charge. It coordinates through two oxygen atoms. Oxalato ligand is a bidentate ligand and has two negative charges. Dimethylglyoximato is a bidentate ligand. It is a neutral ligand.