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d-and f-Block Elements — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryd-and f-Block Elements1 Mark
MCQ
Which is not true in the following?
  • ✓
    $ La(OH)_{3} $ is less basic than $ Lu(OH)_{3} $
  • B
    In lanthanoid series the ionic radii decreases in $ Ln^{3+} $
  • C
    La is not the element of transition series
  • D
    The size of Zn and Hf are similar due to lanthanide contraction
✓

Answer

Correct option: A.
$ La(OH)_{3} $ is less basic than $ Lu(OH)_{3} $
A

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