what name should be used for the ionic compound co₂(so₄)₃?\no cobalt(iii) sulfide\no cobalt(iii) sulfate\no…

what name should be used for the ionic compound co₂(so₄)₃?\no cobalt(iii) sulfide\no cobalt(iii) sulfate\no cobalt(iii) trisulfide\no cobalt(iii) trisulfate

what name should be used for the ionic compound co₂(so₄)₃?\no cobalt(iii) sulfide\no cobalt(iii) sulfate\no cobalt(iii) trisulfide\no cobalt(iii) trisulfate

Answer

Brief Explanations:

The anion in the compound $\ce{Co2(SO4)3}$ is sulfate ($\ce{SO4^{2-}}$), not sulfide ($\ce{S^{2-}}$). The prefix "tri -" is not used for the sulfate ion in naming ionic compounds in this context. Cobalt has a +3 oxidation state indicated by (III) in the name. The correct name is cobalt(III) sulfate.

Answer:

cobalt(III) sulfate