CUSAT 2022 BTech Solved Paper Shift 4

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Question : 90 of 200

Marks: +1, -0

The INCORRECT statement among the following is

Actinoid contraction is greater for element to element than Lanthanoid contraction
Most of the trivalent lanthanoid ions are colourless in the solid state
Lanthanoids are good conductors of heat and electricity
Actinoids are highly reactive metals, especially when finely divided

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