Chelation

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Jenna Ortiguerra 4G
Posts: 50
Joined: Sat Aug 17, 2019 12:18 am

Chelation

Postby Jenna Ortiguerra 4G » Fri Dec 06, 2019 2:21 am

I'm having trouble understanding what chelation is. What is chelation and how exactly does it play a role in coordination compounds?

LReedy_3I
Posts: 51
Joined: Fri Aug 30, 2019 12:17 am

Re: Chelation

Postby LReedy_3I » Fri Dec 06, 2019 10:26 am

Chelating is a specific shape polydentate complexes can form, in which two bonding sites are positioned in order to be able to form a ring. It's common in nature, and I think some chelating molecules (EDTA) can be used to purify water because they can bond cations tightly.

405335722
Posts: 56
Joined: Fri Aug 30, 2019 12:16 am

Re: Chelation

Postby 405335722 » Fri Dec 06, 2019 11:03 am

It is different from polydentate because it forms a ring structure due to the fact that two parts of the ligand bind to one central atom

Sanjana Munagala_1j
Posts: 103
Joined: Sat Aug 24, 2019 12:17 am
Been upvoted: 1 time

Re: Chelation

Postby Sanjana Munagala_1j » Fri Dec 06, 2019 11:42 pm

Though it is different from what polydentate means, essentially if a ligand is polydentate then it can form a ring with the metal cation and thus also be considered a chelating ligand.

Hope that helps!

AngieGarcia_4F
Posts: 120
Joined: Thu Jul 25, 2019 12:17 am

Re: Chelation

Postby AngieGarcia_4F » Sat Dec 07, 2019 12:33 am

Chelation is when a polydentate ligand forms a ring around its central atom. All polydentate ligands are said to be chelating.


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