Most Important Selected Qs for JEE AdvancedChemistryCoordination Compounds

How many type of isomerism is exhibited by the complex [ Co ( NH ₃ )₄ ( NO ₂ )₂ ] Cl ?

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(i) Ionisation isomers [ Co ( NH ₃ )₄ ( NO ₂ )₂ ] C and [ Co ( NH ₃ )₄ ( NO ₂ )( C ) ] NO ₂ (ii) Linkage isomers [ Co ( NH ₃ )₄ ( NO ₂ )₂ ] C and [ Co ( NH ₃ )₄( ONO )₂ ] C (iii) Geometrical isomers ; cis & trans

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