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Question
What type of isomerism is shown by the complex [Co(NH3)6] [Cr(CN)6]?
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Solution
Coordination isomerism arises from the interchange of ligands between cationic and anionic entities of different metal ions present in the complex.
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RELATED QUESTIONS
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Name the type of isomerism when ambidentate ligands are attached to central metal ion. Give two examples of ambidentate ligands.
Match the complex species given in Column I with the possible isomerism given in Column II and assign the correct code:
| Column I (Complex species) | Column II (Isomerism) |
| A. \[\ce{[Co(NH3)4 Cl2]^+}\] | 1. optical |
| B. \[\ce{cis-[Co(en)2 Cl2]^+}\] | 2. ionisation |
| C. \[\ce{[Co(NH3)5 (NO2)]Cl2}\] | 3. coordination |
| D. \[\ce{[Co(NH3)6][Cr(CN)6]}\] | 4. geometrical |
| 5. linkage |
Assertion: Linkage isomerism arises in coordination compounds containing ambidentate ligand.
Reason: Ambidentate ligand has two different donor atoms
A functional isomer of 1-butyne is
