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CBSE - XII Science - Chemistry - Coordination Compounds

What is outer orbital complex and inner orbital complex ? 
Please explain this with example

Asked by ADITYASEN704 11th June 2016, 11:30 PM
Answered by Expert


The coordination number of central metal in these complexes is 6 having d2sp3 hybridisation. The complexes formed, if have inner d orbitals are called low spin complexes or inner orbital complexes and if having outer d orbitals are called high spin or outer orbital complex. The inner d orbitals are diamagnetic or less paramagnetic in nature hence, they are called low spin complexes.
Low spin complex: [Fe(CN)6]3-
High spin complex: [CoF3]3
Answered by Expert 12th June 2016, 12:00 AM

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