Assertion : $P b I_{4}$ is a stable compound. Reason: Iodide ion stabilizes higher oxidation state.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
$P b I_{4}$ ( $+ 4$ O.S) is less stable than $P b I_{2}$ ( $+ 2$ O.S) becuase the $+ 2$ oxidation state is more stable than $+ 4$ oxidation
So both assertion and reason are incorrect.

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