Chelate Stability

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Blake Ballew 1H
Posts: 90
Joined: Wed Sep 30, 2020 9:35 pm

Chelate Stability

Postby Blake Ballew 1H » Sun Nov 29, 2020 10:31 am

Are multidentate ligands more stable than unidentate ligands? If so would it be more probable to form multidentate ligands for stability or unidentate ligands for how easy they are to create?

Lucy Wang 2J
Posts: 86
Joined: Wed Sep 30, 2020 10:09 pm
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Re: Chelate Stability

Postby Lucy Wang 2J » Sun Nov 29, 2020 10:37 am

i think multidentate ligands are more stable because they have more bonds so its more difficult to break but I'm not sure how easy it is to form multidentate ligands versus unidentate ligands

Farah Abumeri 3F
Posts: 95
Joined: Wed Sep 30, 2020 9:51 pm
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Re: Chelate Stability

Postby Farah Abumeri 3F » Sun Nov 29, 2020 3:51 pm

I would agree that a multidentate would be more stable than an unidentate. I think it depends on the central atom if it's more energetically stable for there to be more bonds or one bond. Correct me if I am wrong..

Sedge Greenlee
Posts: 82
Joined: Wed Sep 30, 2020 9:35 pm

Re: Chelate Stability

Postby Sedge Greenlee » Sun Nov 29, 2020 4:34 pm

Hello! Polydentate ligands are more stable than monodentate ligands binding to TMs as others have said because of the increased number of bonds. This is why polydentate can filter water as it displaces the monodentate of H2O which is less stable.

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