A) Pb is more electropositive than Ge
B) ionisation potential of lead is less than that of Ge
C) ionic radii of \[p{{b}^{2+}}\] and \[p{{b}^{4+}}\] are larger than those of \[G{{e}^{2+}}\] and \[G{{e}^{4+}}\]
D) more pronounced inert pair effect in lead than Ge
Correct Answer: D
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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