Which of the following statements regarding lanthanides is false? – InterviewSolution

1.	Which of the following statements regarding lanthanides is false?
Answer» All lanthanides are SOLID at ROOM temperature. Their usual oxidation state is +3. They can be separated from ONE another by ion-exchange method Ionicradiiof trivalentlanthanidessteadily increases with increase in atomic number. Solution :Lanthanides contraction is that phenomenon where the IONIC radii of TRIVALENT lanthanides steadily decreases with increases in atomic number .

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