Calculating LFSE and explaining color.

  • #1

Homework Statement



The first questions asks to calculate the LFSE of metal complexes. The second part is to explain the difference in color between [Cr(H2O)6]Cl3, [CrCl(H2O)5]Cl2, and [CrCl2(H2O)4]Cl in terms of Δo.



The Attempt at a Solution


I know the formula for finding LFSE, my questions is how to determine if it is in a strong field or weak field state? Do you only consider the ligands attached to the inner sphere for this part?

The second part of my question ties in to the first. I would assume that for different values of Δo, it would need a specific wavelength of light to be absorbed to promote an electron, ending with their respective colors. But does the value of Δo depend on the ligands attached to the metal ion in only the inner sphere? Any help would be appreciated.

Homework Statement





Homework Equations





The Attempt at a Solution

 

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