posted by Soojung .
I have to name this:
And I think it is this:
But can someone verify and check if I named it correctly. I am not sure if I am supposed to have the (III) or not.
I think it is named correctly. The III is needed to know that Co is +3 and not some other oxidation state. Of course, with the +3 charge, one would know that Co HAD to be +3.