Question

Write the IUPAC names of the following complexes. 

1. [CO (NH₃)₅ CN] [CO(NH₃)(CN)₅] 

2. [Pt (Py)₄] [Pt Cl₄]

3. [CO (NH₃)₄Cl₂]₃ [Cr(CN)₆]

Answer 1

1. [CO (NH₃)₅ CN] [CO(NH₃)(CN)₅]  

Penta ammine cyanido – K C Cobalt (III) ammine penta cyanido – K C Cobaltate (III) 

2. [Pt (Py)₄] [Pt Cl₄]

Tetra pyridine platinum (II) tetrachlorido platinate (II) 

3. [CO (NH₃)₄Cl₂]₃ [Cr(CN)₆]

Tetraammine dichlorido cobalt (III) hexacyanido KC chromate (III)