Question

1. Write the IUPAC name of the following compounds :

• [Pt(NH₃)₂Cl₂]
• K₄[Fe(CN)₆]

 2. A list of coordination compounds are given below :

• [Cr(H₂O)₆]Cl₃,
• [CO(NH₃)₅ Br]SO₄,
• [CO(NH₃)₅NO₂]²⁺, 
• [CO(NH₃)₆] [Cr(CN)6]

Which type of isomerism do these compounds exhibit?

Answer 1

1. The IUPAC name of the coordination compounds :

• Diamminedichloridoplatinum(II)
• Potassium hexacyanoferrate(II)

 2. Type of isomerism

• [Cr(H₂O)₆]Cl₃ – Hydrate isomerism
• [CO(NH₃)₅ Br]SO₄ – Ionisation isomerism 
• [CO(NH₃)₅ NO₂]²⁺ – Linkage isomerism 
• [CO(NH₃)₆] [Cr(CN)₆] – Coordination isomerism.