[FeF 6 ] 3– is paramagnetic due to presence of unpaired electrons in the complex. The…
Chemistry · Class 12 · CBSE — Coordination Compounds
[FeF 6]3– is paramagnetic due to presence of unpaired electrons in the complex. The five electrons remain unpaired because
- fluorine is the most electronegative element
- F– is a weak field ligand hence does not cause pairing of electrons
- F– is a strong field ligand hence does not cause pairing of electrons
- pairing does not take place in iron complexes.
Answer
(B) F – is a weak field ligand hence does not cause pairing of electrons
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