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  4. Which of the following energy level diagram for [ FeF 6]3 is correct on the basis of crystal field theory?

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Q. Which of the following energy level diagram for $\left[ FeF _{6}\right]^{3}$ is correct on the basis of crystal field theory?

Coordination Compounds

Solution:

$\left[ FeF _{6}\right]^{3-} \Rightarrow x -6=-3$

$ x =-3+ 6 $

$ x =+3 $

$Fe^{3+} =$ image

Fluorine is a weak ligand, $\therefore $ pairing does not occur.

image