Question:

Which of the following is the correct configuration of the complex $ [RhCl_6]^{3-} $ ?

Updated On: Jun 14, 2022
  • High spin $ t^{4}_{2g}\,e^{2}_{g} $
  • Low spin $ t^{6}_{2g}\,e^{0}_{g} $
  • Low spin $ t^{3}_{2g}\,e^{3}_{g} $
  • High spin $ t^{5}_{2g}\,e^{1}_{g} $
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The Correct Option is B

Solution and Explanation

Elements of $4d$ and $5d$ series are more prone to spin pairing therefore they from low spin complexes
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Concepts Used:

Coordination Compounds

A coordination compound holds a central metal atom or ion surrounded by various oppositely charged ions or neutral molecules. These molecules or ions are re-bonded to the metal atom or ion by a coordinate bond.

Coordination entity:

A coordination entity composes of a central metal atom or ion bonded to a fixed number of ions or molecules.

Ligands:

A molecule, ion, or group which is bonded to the metal atom or ion in a complex or coordination compound by a coordinate bond is commonly called a ligand. It may be either neutral, positively, or negatively charged.