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In context of the lanthanoids, which of ...

In context of the lanthanoids, which of the following statements is not correct?

A

There is a gradual decrease in the radii of the members with increasing atomic number in the series

B

All the members exhibit + 3 oxidation state

C

Because of similar properties, the separation of lanthanoids is not easy

D

Availability of 4f electrons results in the formation of compounds in + 4 state for all the members of the series

Text Solution

Verified by Experts

The correct Answer is:
D
Formation of + 4 state requires very high energy, thus incorrect.
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