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Question: Answered & Verified by Expert
The following ligand is:
ChemistryCoordination CompoundsJEE MainJEE Main 2019 (08 Apr Shift 1)
Options:
  • A tridentate
  • B hex dentate
  • C bidentate
  • D tetradentate
Solution:
2744 Upvotes Verified Answer
The correct answer is: tetradentate
The number of lone pairs that can be used by ligands is a measure of its denticity. In the given compound, both oxygen atoms and both nitrogen atoms are used as ligands and have lone pairs. Hence denticity is tetradentate.

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