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STD 12 - 4. d and f- block elements — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 4. d and f- block elements4 Marks
MCQ
Identify the incorrect statement in the following
  • A
    $d$ block element show irregular and erratic chemical properties among themselves.
  • B
    $La$ and $Lu$ have partially filled $d-$ orbital and no other partially filled orbital.
  • C
    The chemistry of various Lanthanoids are similar
  • ✓
    $4f$ and $5f$ orbitals are equally shielded by inner electrons
✓

Answer

Correct option: D.
$4f$ and $5f$ orbitals are equally shielded by inner electrons
d

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