JEE CHEMISTRY MCQ: 14 TH GROUP ELEMENTS (P-BLOCK)

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Which halide is least stable and has doubtful existence?

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Correct option: D

\mathrm{Pb}{\mathrm{I}_4}

Option D (

\mathrm{Pb}{\mathrm{I}_4}

) is correct because lead(IV) iodide is unstable due to the strong oxidizing power of

Pb^{4+}

and the reducing power of

I^-

, leading to redox reaction and formation of

PbI_2

and

I_2

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