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
Correct Answer: C
Solution :
Availability of\[4f-\]electrons does not result in the formation of compounds in +4 oxidation state for all the members of the lanthanoid series.
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