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Statement I: Pb^(4+) compounds are stron...

Statement I: `Pb^(4+)` compounds are stronger oxidizing agents than `Sn^(4+)` 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

If both (A) and (R) are correct and (R) is correct explanation of (A)

B

If both (A) and (R) are correct and (R) is not correct explanation of (A)

C

If (A) is correct , but (R) is incorrect

D

If (A) is incorrect but (R) is correct .

Text Solution

Verified by Experts

The correct Answer is:
C

Correct reason : Lower oxidation states for the group `14` elements are more stable for haveier members of the frop due to linet apir efficet .
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Assertion (A) : Pb^(+4) compounds are stronger oxidiising agents than Sn^(4+) compounds . Reason (R): The higher oxidation states for group 14 elements are more stable for the heavier members of the group due to inert pair effect .

Assertion (A) : Pb^(+4) compounds are stronger oxidiising agents than Sn^(4+) compounds . Reason (R): The higher oxidation states for group 14 elements are more stable for the heavier members of the group due to inert pair effect .

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Knowledge Check

  • Assertion : Cr(VI) in the form of dichromate in acidic medium is a strong oxidising agent where MoO_3 and WO_3 are not. Reason: In d-block elements higher oxidation states are favoured by heavier members.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true and reason not is the correct explanation of assertion.
    C
    If assertion is trun but reason is false.
    D
    If both assertion and reason are false.
  • CENGAGE CHEMISTRY ENGLISH-P-BLOCK GROUP 14 - CARBON FAMILY-Exercises (Assertion-Reasoning)
    1. Statement I: Pb^(4+) compounds are stronger oxidizing agents than Sn^(...

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    2. Assertion (A) : CO2 is a gas but SiO2 had a three -dimenstional netwo...

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    3. Assertion (A) : Carbon forms covalent compounds but lead dorms ionic ...

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    4. Assertion (A) : N (SiH3)3 is a weaker based thanN (CH3)3 Reason (R)...

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    5. Assertion (A) : Diamond is the hardest possible substance and is a ne...

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    6. Assertion (A) : Diamond does not reflect light . Reason (R) : Diamo...

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    7. Assertion (A) : C(60) fullerence is an allotrope if carbon. Reason (...

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    8. Assertion: Pb^(4+)can be reduced easily to Pb^(2+). Reason: Pb^(2+) ...

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    9. Assertion (A) : PbI4 is a stable compound . Reason (R) : Iodide ion...

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    10. Assertion: SiF(6)^(2-) is known but SiCl(6)^(2-) is not. Reason: Siz...

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    11. Assertion (A) : Silicones are hdyreopbhobic in nature . Reason (R) ...

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    12. Assertion (A) : SnI4 is an orange solid . Reason (R) : The colur a...

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    13. Assertion (A) : Graphite is a good conductor of heat and electricity ...

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    14. Assertion : Carbon monoxide is a poisonous gas Reason : Carbon monox...

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    15. Assertion (A) : Carbon forms a large number of compounds . Reason ...

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    16. Assertion (A) : Both CO2 snd SiO2 have same structure . Reason (R)...

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    17. Assertion (A) : Lead leaves a black amrek on paore Reason (R) : Le...

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    18. Assertion (A) : CO2 is linear Reason (R) : C is not in sp- hybridi...

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    19. Assertion (A) : Maximum covalency of carbon is four . Reason (R) : ...

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    20. Assertion (A) : Graphite is soft while diamond is very hard . Reaso...

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