Why the La (OH)3 is more basic and Lu(OH)3 is the least basic?
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La(OH)3 is most basic and Lu(OH)3 is least basic.
La(OH)3 is most basic and Lu(OH)3 is least basic.Due to lanthanide contraction. As the size of lanthanide ions decreses from La3+ to Lu3+ , the covalent character of the hydroxides increases and hence the basic strength decreases.
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