1. Tardigrade
  2. Question
  3. Chemistry
  4. Statement I Pb4+ compounds are stronger oxidising agents than Sn2+ compounds. Statement II The higher oxidation states for the group 14 elements are more stable for the heavier members of the group due to ‘inert pair effect’ (a) Statement I is correct Statement II is correct Statement II is the correct explanation of Statement I (b) Statement I is correct; Statement II is correct Statement II is not the correct explanation of Statement I (c) Statement I is correct: Statement II is incorrect (d) Statement I is incorrect; Statement II is correct

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Q. Statement I $Pb^{4+}$ compounds are stronger oxidising agents than $Sn^{2+}$ compounds.
Statement II The higher oxidation states for the group $14$ elements are more stable for the heavier members of the group due to ‘inert pair effect’
(a) Statement I is correct Statement II is correct Statement II is the correct explanation of Statement I
(b) Statement I is correct; Statement II is correct Statement II is not the correct explanation of Statement I
(c) Statement I is correct: Statement II is incorrect
(d) Statement I is incorrect; Statement II is correct

IIT JEEIIT JEE 2008The p-Block Elements

Solution:

In group $13, 14, 15$ as we descend down in group, the higher oxidation state becomes less tenable due to inert pair effect. Therefore, lead show $+2$ as stable oxidation state. Hence, $Pb^{4+}$ act as a strong oxidising agent, itself reduced to $Pb^{2+}$ very easily. Both statement I and statement II are correct and statement II is a correct explanation of statement I.