STANDARD Chemistry Lanthanoids and Actinoids MCQ Question
The incorrect statement among the following is
actinoids are highly reactive metals, especially when finely divided
actinoid contraction is greater for element to element than lanthanoid contraction
most of the trivalent lanthanoid ions are colorless in the solid state
lanthanoids are good conductors of heat and electricity.
Correct Answer
Detailed Explanation
Most trivalent lanthanoid ions are colored in the solid state due to f-f transitions, not colorless.
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