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Assersion (A):- $P b I_{4}$ does not exist
Reason (R):- Pb – I bond initially formed does not release enough energy to unpair $6 S^{2}$ electrons and excite one of them to higher orbital

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Both A and R are correct and R is the correct explanation of A

A is correct but R is not correct

Both A and R are correct and R is NOT the correct explanation of A

A is not correct But R is correct

answer is B.

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Detailed Solution

$P b I_{4}$ does not exist because Pb – I bond initially formed does not release enough energy to unpair $6 S^{2}$ electrons and excite one of them to higher orbital

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