Write the modern name of each of the following compounds.

(a) CoBr₂

(b) Cr₂(SO₄)₃

(c) Fe(OH)₃

Strategy

Determine the charge on the transition metal from the charges of the anions and subscripts, and indicate that charge with a Roman numeral after the name of the metal.

Transcribed Image Text:

TABLE 2.4 Naming Metal Compounds Compound FeCl, FeCl3 Cu₂O CuO CrCl, Cr₂S3 TIBr TIC13 SnCl SnC14 Modern Name Iron(II) chloride Iron (III) chloride Copper(I) oxide Copper(II) oxide Chromium(II) chloride Chromium(III) sulfide Thallium (1) bromide Thallium(III) chloride Tin(II) chloride Tin(IV) chloride Older Name Ferrous chloride Ferric chloride Cuprous oxide Cupric oxide Chromous chloride Chromic sulfide Thallous bromide Thallic chloride Stannous chloride Stannic chloride