Here are some crystal field representations of d electrons in an octahedral field: Choose the representation that fits the transition metal atom in the following species.
-K₄Fe(CN) ₆

Question

Here are some crystal field representations of d electrons in an octahedral field: Choose the representation that fits the transition metal atom in the following species. -K₄Fe(CN)₆

Quizplus · Accepted Answer

The Fe atom in Fe(CN)6 has 6 cyanide ligands around it, forming an octahedral geometry. The d-electrons of Fe are represented by the diagram in choice B, which shows the splitting of the d-orbitals in an octahedral field. This is referred to as the "octahedral crystal field splitting diagram" and shows the five d-orbitals splitting into two energy levels, with the dxy, dxz, and dyz orbitals at a lower energy level and the dx2-y2 and dz2 orbitals at a higher energy level. Fe(II) has 6 d-electrons, so the diagram in choice B, which shows 4 electrons in the lower level and 2 in the higher level, is the correct representation.

Here Are Some Crystal Field Representations of D Electrons in an Octahedral