1. Tardigrade
  2. Question
  3. Chemistry
  4. In the crystal field of the complex [ Fe ( Cl )( CN )4( O 2)]4 the electronic configuration of metal is found to be t286 e g 0 then which of the following is true about this complex ion:

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Q. In the crystal field of the complex $\left[ Fe ( Cl )( CN )_{4}\left( O _{2}\right)\right]^{4}$ the electronic configuration of metal is found to be $t_{28}^{6}$ $e _{ g }^{0}$ then which of the following is true about this complex ion:

Coordination Compounds

Solution:

The given complex is actually

image

hence $Fe ( II )$ is $t _{2 g }{ }^{6}, e _{ g }^{0}$ due to effect of strong ligands but

it is paramagnetic due to $O_{2}^{-1}$ ligand