Tamilnadu BoardEnglish MediumSTD 12ChemistryCoordination Chemistry3 Marks
Question
Explain coordination isomerism with suitable example.
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Answer
1. Coordination isomerism arises in the coordination compounds having both the cation and anion as complex ions. The interchange of one or more ligands between cationic and the anionic coordination entities result in different isomers.
2. Fox e.g., in the coordination compound, $\left[ CO \left( NH _3\right)_6\right]\left[ Cr ( CN )_6\right]$, the ligands ammonia and cyanide were bound respectively to cobalt and chromium while in its coordination isomer $\left[ Cr \left( NH _3\right)_6\right]\left[ CO ( CN )_6\right]$, they are reversed.
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