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what will be the cfse of co(iii) and fe(iii) complexes in strong and weak crystal field.

what will be the cfse of co(iii) and fe(iii) complexes in strong and weak crystal field.
 

Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
Dear student 
The additional stabilization of a metal complex by selective population of the lower-energy d orbitals is called its crystal field stabilization energy (CFSE). The CFSE of a complex can be calculated by multiplying the number of electrons in t2g orbitals by the energy of those orbitals (−0.4Δo), multiplying the number of electrons in eg orbitals by the energy of those orbitals (+0.6Δo), and summing the two.The CFSE is highest for low-spin d6 complexes, which accounts in part for the extraordinarily large number of Co(III) complexes known which is 0.4Δo.
Increasing order of CFSE is : 
Mn2+

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