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Question

Read the following and select one the correct answer.

Statement I: Pb4+ compounds are stronger oxidizing 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 and Statement II are both correct. Statement II correctly explains Statement I

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B

Statement I and Statement II are both correct. Statement II does not explain Statement I

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C

Statement II is correct and Statement I is wrong

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D
Statement I is correct and Statement II is wrong
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Solution

The correct option is D Statement I is correct and Statement II is wrong

As we go down the group, the outermost s electrons of the ns2 np2 configuration tend not to participate in bond formation. Hence, the stability if +4 oxidation state decreases and the stability of the +2 oxidation state increases (as we descend). This is called inert pair effect.

Statement I is correct and Statement II is wrong


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