How many unpaired electrons are there in the octahedral complex ion, Mn(CN)₆^4-? A)1 B)2 C)3 D)4 E)5

Name: How many unpaired electrons are there in the octahedral complex ion, Mn(CN) 6 4- ? A)1 B)2 C)3 D)4 E)5
Brand: Quizplus
Rating: 4.8 (40 reviews)

Question

Quizplus · Accepted Answer

In the complex ion Mn(CN)₆⁴⁻, Mn is in the +2 oxidation state (Mn²⁺), which has a d⁵ electron configuration. CN⁻ is a strong field ligand, causing pairing of electrons in the t₂g orbitals, resulting in one unpaired electron.

How Many Unpaired Electrons Are There in the Octahedral Complex