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The p-Block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe p-Block Elements1 Mark
MCQ
In which of the following the inert pair effect is most prominent ?
  • A
    $C$
  • B
    $Ge$
  • C
    $Si$
  • ✓
    $Pb$
✓

Answer

Correct option: D.
$Pb$
Due to poor or ineffective shielding of the $ns^2$ electrons of the valence shell by intervening d$-$ and f$-$electrons, the $s-$electrons are reluctant to participate in bond formation.

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