Posted by john on Wednesday, January 28, 2009 at 1:52am.
are these names correct? i'm not sure if i did the anion/cation right..
***numbers are subscripts
bisethylenediamine tricarbonyl cobalt (I) chloride
triaqua chromium (III) tribromide
ammine chloro bisethylenediamine cobalt (III) chloride
diammine dichloro plantium(II)
diaqua dichloro nickel disodium
chemistry naming - DrBob222, Wednesday, January 28, 2009 at 1:24pm
I think on 1 that you should add the stock notation (I) for argentate and add the word ion. (Rb is +1, Ag+1 and F-4 so the ion is -2.
For #3, I wonder if you have it typed correctly. If we name as is, then CO is carbonyl. CO3 is carbonate (named as carbonato). The ethylenediamine name should be enclosed in parentheses as in bis(ethylenediamine). If we make Co +2 and CO3 is -2 and Cl is -1, that would make the charge on the ion -1 if I didn't goof. So you need to make that Cobaltate(II) and add the word ion
chemistry naming - DrBob222, Wednesday, January 28, 2009 at 1:31pm
2. I don't know what Ph stands for (perhaps phenyl) and what is the (PPh)3 unit.
4. You have named this as a compound but it carries a charge of -2 making it an anion. If that is correct, you need to name it has an anion meaning as a chromate(I). (Check that. If Cr; is +1 and Br is -3, that would leave -2 for the charge).
chemistry naming - DrBob222, Wednesday, January 28, 2009 at 1:38pm
All of the anions must end in the metal + ate + (?) such as cuprate(II), chromate(III), ferrate(II), etc. It appears to me that you have written all of them as anions. If so then #1 is the only one named correctly. I hope the notes above gives you some idea how to restructure the names.
chemistry naming - DrBob222, Wednesday, January 28, 2009 at 3:46pm
It just occurred to me that you may have meant the = sign after each of the problems to indicate an equal sign; that is, the formula listed = ?? and the answer is to follow. That would make a lot more sense and and simplify names considerably. Please clarify if you don't have these figured out yet.
chemistry naming - Anonymous, Monday, October 17, 2011 at 4:44pm
bis(en)Co(III)- Î¼-amido- Î¼-hydoxobis(en)Co(II)ion
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