Question 17.33 (Sixth Edition)

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Steve Magana 2I
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Question 17.33 (Sixth Edition)

Postby Steve Magana 2I » Sun Dec 02, 2018 6:34 pm

Question: Which of the following ligands can be polydentate? If the ligand can be polydentate, give the maximum number of places on the ligand that can bind simultaneously to a single metal center: (a) HN(CH2CH2NH2)2; (b) CO3^2-; (c) H2O; (d) oxalate.

I having trouble answering this, can someone guide me on where to start please? Thank you!

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Re: Question 17.33 (Sixth Edition)

Postby 905109118 » Sun Dec 02, 2018 8:40 pm

a) Tridentate ligand: This is because there are three Nitrogens in this structure that each have a lone pair. No other atoms have a lone pair.
b) Mono or bidentate Ligand: This is because CO3 can bind to one or two oxygen atoms.
c) Monodenate ligand: Even through oxygen has two lone pairs, the metal atom can only bind to one.
d) bidentate ligand: This is because there are two oxygens with a single bond and two oxygens with a double bond in this structure.

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