With different ligands a particular transition metal ion forms octahedral complexes with either zero or four unpaired electrons. How many d electrons are present in the metal?

Question

Quizplus · Accepted Answer

The metal ion must have 6 d electrons. In an octahedral field, with strong field ligands, the electrons will pair up, resulting in zero unpaired electrons. With weak field ligands, the electrons will not pair up, resulting in four unpaired electrons.

With Different Ligands a Particular Transition Metal Ion Forms Octahedral