Answer
Crystal field theory looks at the repulsion between the ligand's electrons and the electrons in the d-orbital. This repulsion then splits the d-orbitals into different levels and then the amount the orbitals are split affects the amount of energy absorbed and transmitted by the compound.
Work Step by Step
Crystal field theory looks at the repulsion between the ligand's electrons and the electrons in the d-orbital. This repulsion then splits the d-orbitals into different levels and then the amount the orbitals are split affects the amount of energy absorbed and transmitted by the compound.