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Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Sun Nov 24, 2019 10:13 pm
by Amy Kumar 1I
When are bis-, tris-, tetrakis- used instead of di-, tri-, tetra-?

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Sun Nov 24, 2019 10:15 pm
by Bilal Pandit 1J
They are used when the ligand has a prefix itself, so the ligand would have a di, tri, etc, so instead of saying didi, you would just say dis.

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Sun Nov 24, 2019 10:16 pm
by Kendall 3H
They are used if the ligand you are naming already has a name with di-, tri-, tetra-, tetra-

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Sun Nov 24, 2019 10:24 pm
by kpang_4H
Bilal Pandit 3F wrote:They are used when the ligand has a prefix itself, so the ligand would have a di, tri, etc, so instead of saying didi, you would just say dis.

How do you know which is the ligand?

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Sun Nov 24, 2019 11:02 pm
by Lauren Sanchez 3D
kpang_4H wrote:
Bilal Pandit 3F wrote:They are used when the ligand has a prefix itself, so the ligand would have a di, tri, etc, so instead of saying didi, you would just say dis.

How do you know which is the ligand?

I believe that the ligands are the atoms that surround the transition metal.

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Sun Nov 24, 2019 11:28 pm
by Aadil Rehan 1D
Ligands are the ones within the coordination sphere of the central atom.

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Mon Nov 25, 2019 11:49 am
by Megan_1F
What is the order of naming coordination compounds?

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Mon Nov 25, 2019 11:59 am
by Robin Cadd 1D
Megan_1F wrote:What is the order of naming coordination compounds?

1) ligands first, then metal ion or atom
2) ligands are named in alphabetical order, disregarding their prefixes

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Mon Nov 25, 2019 12:02 pm
by anjali41
The prefixes bis-, tris-, and tetrakis- are used when a ligand already has a Greek prefix or the ligand is polydentate.

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Mon Nov 25, 2019 12:23 pm
by britthanul234
The prefixes bis-, tris-, and tetrakis- are used when a ligand already has a Greek prefix. It's either that or you use it when the ligand is polydentate.

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Mon Nov 25, 2019 12:55 pm
by Tiffany_Chen 2K
You would also use the prefix if the ligand is polydentate, and there are more than one of the ligands (so no di-dien).

Re: Di-, Tri-, Tetra- vs Bis-, Tris-, Tetrakis-

Posted: Mon Nov 25, 2019 1:23 pm
by Kelsey Ash 1D
You would use them if the ligand already had a prefix of di-, tr-, etc.