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Although +3 oxidation states are the characteristic oxidation state of lanthanoids cerium shows +4 oxidation state also. Why?
Answers (1)
Lanthanoids generally lose 3 electrons from to exhibit +3 oxidation state. However, Cerium has a configuration
, and gains additional stability by losing
electrons as well. It is the case because on losing 4 electrons it has only completely filled orbitals
View full answer
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