What are the different oxidation states exhibited by the lanthanoids?

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2 Answers

In the lanthanide series, +3 oxidation state is most common i.e., Ln(III) compounds are predominant. However, +2 and +4 oxidation states can also be found in the solution or in solid compounds.

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The lanthanoids have an electronic configuration of 6s2 common with variable occupancy of 4f level. These elements have only one oxidation state(+3).

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