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D and F Block Elements question

2007 · Q71
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D and F Block Elements question

2007 · Q71

NEETChemistryD and F Block ElementsMCQ+4 / −1
Identify the incorrect statement among the following:
  1. A
    Lanthanoid contraction is the accumulation of successive shrinkages.
  2. B
    As a result of lanthanoid contraction, the properties of 4d series of the transition elements have no similarities with the 5d series of elements.
  3. C
    Shielding power of 4fff electrons is quite weak.
  4. D
    There is a decrease in the radii of the atoms or ions as one proceeds from La to Lu.
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