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  • Why PbI₄ Is Unstable: Understanding Lead(II) Iodide (PbI₂)
    There is no stable compound with the formula PbI₄.

    Here's why:

    * Lead (Pb) typically forms two common oxidation states: +2 and +4.

    * Iodine (I) is a halogen and typically forms an anion with a -1 charge (I⁻).

    To balance the charges, lead would need to be in its +4 oxidation state to combine with four iodide ions. However, lead is more stable in its +2 oxidation state. This means that the compound PbI₂ (Lead(II) iodide) is the more likely and stable compound.

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