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Why la(oh)3 is a stronger base than lu(oh)3 . Give reason

Why la(oh)3 is a stronger base than lu(oh)3 . Give reason

Grade:12

1 Answers

Arun
25750 Points
6 years ago
Dear Somesh
its due to lanthanide contraction.as the size of lanthanide ions decreases frm La3+ to Lu3+ , the covalent character of the hydroxides increases and hence the basic strength decreases.La(OH)3 is most basic and Lu(OH)3 is least basic.
Regards
Arun (askIITians forum expert)

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