(i) The ionisation isomer of [Pt(NH3)4 Cl2] Br2 is [Pt(NH3)4 Br2] Cl2. Its IUPAC name is tetraammine dibromido platinum (IV) chloride.
(ii) The ionisation isomer of [CO(NH3)4 Cl2] NO2 is [CO(NH3)4Cl.NO2]Cl. Its IUPAC name is tetraammine chlorido nitro cobalt (III) chloride.