What is the basic character of lanthanoid hyd | vedclass

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(A) The basic character of lanthanoid hydroxides,$Ln(OH)_3$,decreases as the ionic radius of the lanthanoid ion decreases due to lanthanoid contractio

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Less than $Ca(OH)_2$ but more than $Al(OH)_3$

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(A) The basic character of lanthanoid hydroxides,$Ln(OH)_3$,decreases as the ionic radius of the lanthanoid ion decreases due to lanthanoid contraction.Lanthanoid hydroxides are less basic than alkaline earth metal hydroxides like $Ca(OH)_2$ but are more basic than $Al(OH)_3$,which is amphoteric.Therefore,the basicity follows the order: $Ca(OH)_2 > Ln(OH)_3 > Al(OH)_3$.

What is the basic character of lanthanoid hydroxides?

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