Single correct · +4 / −1

Lead behaves as if it is in the +2 oxidation state predominantly. This is due to:

  1. (a) High ionization energy of Pb
  2. (b) Inert pair effect
  3. (c) Large atomic size
  4. (d) High electronegativity
Answer and solution

Answer (b) Inert pair effect

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Study p-Block Elements — Part I (Group 13 & 14)

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