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Chemistry
[FeF6]3- is paramagnetic due to presence of unpaired electrons in the complex. The five electrons remain unpaired because
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Q. $[FeF_{6}]^{3-}$ is paramagnetic due to presence of unpaired electrons in the complex. The five electrons remain unpaired because
Coordination Compounds
A
fluorine is the most electronegative element
31%
B
$F^{-}$ is a weak field ligand hence does not cause pairing of electrons
56%
C
$F^{-}$ is a strong field ligand hence does not cause pairing of electrons
6%
D
pairing does not take place in iron complexes
6%
Solution:
$F^{-}$ is a weak field ligand hence it does not cause pairing of electrons.
$[FeF_{6}]^{3-}$ :