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The incorrect statement among the following is :
 

Option: 1

Actionoid contraction is greater for element to element than Lanthanoid contraction.


Option: 2

Most of the trivalent Lanthanoid ions are colorless in the solid state.


Option: 3

Lanthanoids are good conductors of heat and electricity.

 


Option: 4

Actionoids are highly reactive metals, especially when finely divided.


Answers (1)

Most of the trivalent lanthanoids are Colored in both the Solid as well as the aqueous state.

Other statements are all correct.

Posted by

Sumit Saini

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