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- Why are Mn2+ compounds more stable than Fe2+ towards oxidation to their +3 state
. Why are Mn2+ compounds more stable than Fe2+ towards oxidation to their +3 state
Why are Mn2+ compounds more stable than Fe2+ towards oxidation to their +3 state?
Best Answer
Mn2+ = 1s2, 2s2p6, 3s2p6d5 (half-filled d-orbital)
Fe2+ = 1s2, 2s2p6, 3s2p6d6
Mn2+ compounds are more stable due to half-filled d-orbitals. Fe2+ compounds are comparatively less stable as they have six electrons in their 3d-orbital. So, they tend to lose one electrons (form Fe3+) and get stable 3d5 configuration.
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