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IUPAC names of four complexes

Short answer

i) sodium dicyanoaurate(I), ii) potassium trioxalatoferrate(III), iii) tetraamminedichloroplatinum(IV) bromide, iv) hexaamminecobalt(III) chloride.

Write the IUPAC name of the following co-ordination compounds. i) Na[Au(CN)₂] ii) K₃[Fe(C₂O₄)₃] iii) [PtCl₂(NH₃)₄]Br₂ iv) [Co(NH₃)₆]Cl₃

i) Na[Au(CN)₂]: sodium dicyanoaurate(I) ii) K₃[Fe(C₂O₄)₃]: potassium trioxalatoferrate(III) iii) [PtCl₂(NH₃)₄]Br₂: tetraamminedichloroplatinum(IV) bromide iv) [Co(NH₃)₆]Cl₃: hexaamminecobalt(III) chloride

Oxidation states: Au +1 (x − 2 = −1); Fe +3 (x − 6 = −3); Pt +4 (x − 2 = +2).

✓ Answer checked by Claude Opus 5.5 (high effort)

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