d and f BLOCK ELEMENTS MCQ Quiz: GKFix - Bridge of Knowledge

Question 751

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Why is Ce⁴⁺ able to form despite +3 being the common state?

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Which oxidation state is predominant for Lanthanoids in their compounds?

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What is the trend observed in the ionic radii of M³⁺ ions of Lanthanoids as the atomic number increases?

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Which pair of elements is specifically mentioned as having almost identical atomic radii due to the lanthanoid contraction?

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What is a significant consequence of the lanthanoid contraction on the periodic table?

It causes the radii of the third transition series elements to be very similar to those of the corresponding members of the second series
It increases the reactivity of the first transition series
It makes the Lanthanoids behave like alkali metals
It eliminates the difference in properties between s-block and p-block elements