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Why is lithium iodide more covalent than...

Why is lithium iodide more covalent than lithium fluoride ?

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According to Fazan's rule, `Li^(+)` ion can polarise `I^(-)` ion more than the `F^(-)` ion because of the bigger size of the anion. Therefore, lithium iodide (LiI) has more covalent character than lithium fluoride (LiF).
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Knowledge Check

  • Lithium iodide is more covalent than lithium chloride due to

    A
    smaller lithium ion
    B
    smaller iodide ion
    C
    larger lithium ion
    D
    larger iodide ion

  • Lithium forms

    A
    LiO
    B
    `LiO_(2)`
    C
    `Li_(2)O`
    D
    `Li_(2)O_(2)`

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