1.

Which of the following statements is not correct?A. `La(OH)_(3)` is less basic than `Lu(OH)_(3)`B. In lanthanide series, ionic radius of `Ln^(3+)` ions decreasesC. `La` is actually an elements of transition series rather than lanthanide seriesD. Atomic radii of `Zr` and `Hf` are same because of lanthanide contraction

Answer» Correct Answer - A
`La(OH)_(3)` is more basic than `Lu(OH)_(3)`.


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