IN context of the lanthanoids, which of the following statements is no – InterviewSolution

1.	IN context of the lanthanoids, which of the following statements is not correct ?
Answer» Because of similar PROPERTIES the seperation of lanthanoids is not easy. Availability of 4f electrons RESULTS in the formation of compounds in +4 state for all the members of the series. There is a gradual DECREASE in the radii of the members with increasing ATOMIC number in the series. All the members exhibit +3 OXIDATION state. Solution :The common oxidation state of lanthanoids is +3.

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