When to use "-ate" when naming compounds

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Erica Wang
Posts: 10
Joined: Fri Sep 25, 2015 3:00 am

When to use "-ate" when naming compounds

Postby Erica Wang » Sun Nov 15, 2015 4:46 pm

Hey!

For [Co(NH3)6]3+, would you name the compound as hexaamminecobalt(III) or hexaamminecobaltate(III) and why?

Also in general, when do you use "-ate" when naming coordination compounds?

Vanessa A 3F
Posts: 29
Joined: Fri Sep 25, 2015 3:00 am

Re: When to use "-ate" when naming compounds

Postby Vanessa A 3F » Sun Nov 15, 2015 4:52 pm

For [Co(NH3)6]3+, the name would be hexaamminecobalt(III), because this is a positively charged complex ion.
Only when the total charge is negative do you end a metal's name with "ate".


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