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17/09/2021 5:50 pm
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The incorrect statement among the following is :
(1) Actinoid contraction is greater for element to element than Lanthanoid contraction.
(2) Most of the trivalent Lanthanoid ions are colorless in the solid-state.
(3) Lanthanoids are good conductors of heat and electricity.
(4) Actinoids are highly reactive metals, especially when finely divided.
1 Answer
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17/09/2021 5:51 pm
Correct answer: (2) Most of the trivalent Lanthanoid ions are colorless in the solid-state.
Explanation:
Most of the trivalent lanthanoid ions are coloured in the solid state.