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Sophia Bozone 2G
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Joined: Fri Sep 29, 2017 7:07 am


Postby Sophia Bozone 2G » Sun Nov 19, 2017 2:11 pm

For whatever reason, as we've moved into this most current topic, I have been really lost and confused even with the most basic topics.
I know this is probably a really dumb question, but what exactly is a ligand, and what is their relevance. Why is it important to be able to recognize a ligand and what are the implications of ligands in problems.

Posts: 63
Joined: Thu Jul 13, 2017 3:00 am
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Re: Terminology

Postby kaushalrao2H » Sun Nov 19, 2017 2:37 pm

A ligand is a Lewis base (donates electrons) that forms a coordinate covalent bond with the central transition metal of a coordination complex. They can be either ions or molecules. The number of ligands that can be bonded to a particular transition (d-block) metal is determined by the metal's coordination number. In water, coordination complexes undergo a substitution reaction in which the complex's ligands are exchanged with water molecules (which act as ligands in this scenario).

Shanmitha Arun 1L
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Joined: Fri Sep 29, 2017 7:04 am
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Re: Terminology

Postby Shanmitha Arun 1L » Sun Nov 19, 2017 3:01 pm

If you are confused with topics, I would highly recommend watching videos in order to clarify things. The link below clearly explains what ligands are and you may find it very useful. Hope that helps!


Yeyang Zu 2J
Posts: 58
Joined: Fri Sep 29, 2017 7:06 am

Re: Terminology

Postby Yeyang Zu 2J » Sun Nov 19, 2017 3:35 pm

In coordination chemistry, a ligand is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex. The bonding with the metal generally involves formal donation of one or more of the ligand's electron pairs.

Kaelie Blanes-Ronda 2L
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Re: Terminology

Postby Kaelie Blanes-Ronda 2L » Sun Nov 19, 2017 4:15 pm

Is the bonding of a ligand an effort of the atom to have a complete octet? If so why are the roman numbers used?

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