Answer :
Electronic configuration of Mn2+ is [Ar]183d5 and Electronic configuration of Fe2+ is [Ar]18 3d6 . It is known that half-filled and fully-filled orbitals are more stable. Therefore, Mn in (+2) state has a half-filled stable configuration, whereas the Fe in +3 oxidation state has partially filled subshells, which are relatively unstable. This is the reason Mn2+ shows resistance to oxidation to Mn3+. Also, Fe2+ has 3d6 configuration and by losing one electron, it attains half-filled stable configuration. Hence, Mn2+ compounds more stable than Fe2+ towards oxidation to their +3 state.
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation


RELATED QUESTIONS :
Note : In the fol
Chemistry - ExemplarMatch the propert
Chemistry - ExemplarThe electronic co
Chemistry - Exemplar<span lang="EN-US
Chemistry - Board PapersMatch the propert
Chemistry - ExemplarMatch the stateme
Chemistry - ExemplarGadolinium belong
Chemistry - Exemplar