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BITSAT Chemistry p Block Elements (Group 13 & 14) 2022 BITSAT 2022

BITSAT Chemistry Question (2022) — Solution

Question

Ge (II) compounds are powerful reducing agents whereas Pb (IV) compounds are strong oxidants. It can be because

Options

  1. A. Pb is more electropositive than Ge .
  2. B. ionisation potential of lead is less than that of Ge.
  3. C. ionic radii of Pb ^ 2+ and Pb ^ 4+ are larger than that of Ge ^ 2+ and Ge ^ 4+
  4. D. more pronounced inert pair effect in lead has.

Answer

D. more pronounced inert pair effect in lead has.

Step-by-step solution

Inert pair effect is more pronounced in heavier members like Pb. Hence, Pb (IV) compounds act as strong oxidising agents and are reduced to more stable Pb (II) compounds.

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