GKFix MCQ Question

What can be inferred about the magnetic moment of K4[Mn(CN)6] having a value of 2.2 BM?

• A. It indicates five unpaired electrons, a high-spin configuration.
• B. It indicates the presence of one unpaired electron, suggesting a low-spin d^5 configuration for Mn(II).
• C. It indicates three unpaired electrons.
• D. It indicates the complex is diamagnetic.