d and f-Block ElementsEasy
Question
In context of the lanthanoids, which of the following statements is not correct ?
Options
A.All the members exhibit +3 oxidation state
B. Because of similar properties the separation of lanthanoids is not easy.
C.Availability of 4f electrons results in the formation of compounds in +4 state for all the members of the series.
D.There is a gradual decrease in the radii of the members with increasing atomic number in the series.
Solution
The general o.s of lanthanides is +3, only few elements exhibit +4 o.s.
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