Homework problem 9C #9d

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Amina Durrani 3G
Posts: 52
Joined: Sat Jul 20, 2019 12:16 am

Homework problem 9C #9d

Postby Amina Durrani 3G » Sun Dec 01, 2019 4:49 pm

How do you know that in 9d, edta is hexadentate?

Sydney Jacobs 1C
Posts: 59
Joined: Thu Jul 25, 2019 12:15 am
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Re: Homework problem 9C #9d

Postby Sydney Jacobs 1C » Sun Dec 01, 2019 4:58 pm

edta refers to ethylenediaminetetraacetato. The ethylenediamine group contains two nitrogen atoms with lone pairs, and therefore two binding sites. The acetate regions each contain one binding site, or lone pair to donate, on one oxygen. Since there are 4 (tetra) acetate regions, this would make 4 binding sites, plus the 2 from ethylenediamine, for a total of six binding sites. (hexadentate)

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