How many unpaired electrons are expected for Co(OH₂)₆²⁺? A) 0 B) 2 C) 4 D) 1 E) 3

Name: How many unpaired electrons are expected for Co(OH 2 ) 6 2+ ? A) 0 B) 2 C) 4 D) 1 E) 3
Brand: Quizplus
Rating: 4.8 (30 reviews)

Question

Quizplus · Accepted Answer

Cobalt in the complex ion Co(OH2)6^2+ has an oxidation state of +2. The electronic configuration of Co^2+ is [Ar] 3d^7. According to Hund's rule and the crystal field theory for an octahedral complex, there will be 3 unpaired electrons in the 3d orbitals of Co^2+.

How Many Unpaired Electrons Are Expected for Co(OH2)62+

How Many Unpaired Electrons Are Expected for Co(OH₂)₆²⁺