Although (+3) oxidation states is the characteristic oxidation state o – InterviewSolution

1.	Although (+3) oxidation states is the characteristic oxidation state of lanthanoids but cerium shows (+4) oxidation state also. Why?
Answer» Solution :In (+4) OXIDATION state, a noble gas configuration `[Xe] 4f^(0) 5d^(0) 6S^(0)` is attained

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