In order to determine whether a ligand is a strong or weak-field ligand, whether octahedral Ni 2 + or Cr 2 + complex is used needs to be determined. The other method which can be used to check the relative ligand field strengths needs to be determined. Concept Introduction: Crystal field theory is the theory given to explain the bonding in the coordination complexes. As ligand approaches towards the metal ion, the d-orbital of metal ion divide according to the energy of metal ion. On the basis of energy and degeneracy, the d-orbital can be classified as t 2g and e g orbitals. The electrons will fill according to their energy levels. The spectrochemical series can be defined as the series of ligands in order of their ability of splitting the d-orbitals. It can be used to study the light absorbed by the complexes as it shows the ligands from strong field to weak field.

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Chapter 19, Problem 62E

Interpretation Introduction

Interpretation: In order to determine whether a ligand is a strong or weak-field ligand, whether octahedral Ni²+ or Cr²+ complex is used needs to be determined. The other method which can be used to check the relative ligand field strengths needs to be determined.

Concept Introduction:

Crystal field theory is the theory given to explain the bonding in the coordination complexes. As ligand approaches towards the metal ion, the d-orbital of metal ion divide according to the energy of metal ion. On the basis of energy and degeneracy, the d-orbital can be classified as t2g and eg orbitals. The electrons will fill according to their energy levels.

The spectrochemical series can be defined as the series of ligands in order of their ability of splitting the d-orbitals.

It can be used to study the light absorbed by the complexes as it shows the ligands from strong field to weak field.

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