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Pbl2 is formed but not Pbl4. Why?

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PbI2 is formed but not PbI4. Why?

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PbI2 is formed but not PbI4 because the iodide ion reduces Pb (IV) to Pb (II) and itself gets oxidised to I2 and therefore PbI1 is formed. (I– ion cannot unpair p subshell of Pb)

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