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प्रश्न
State a reason for the following:
La(OH)3 is more basic than Lu(OH)3.
उत्तर
Lanthanide contraction reduces the size of lanthanide ions from La3+ to Lu3+, increasing the covalent character of hydroxides and decreasing basic strength. La(OH)3 is most basic and Lu(OH)3 is least basic.
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