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Why are pentahalides of P, As, Sb and Bi...

Why are pentahalides of P, As, Sb and Bi more covalent than their trihalides ?

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The central atom in higher oxidation state has greater polarizing power which increases the covalent character of the bond between central atom and the surrounding atoms.
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Knowledge Check

  • Which of the following compound is more covalent in nature ?

    A
    LiF
    B
    LiCl
    C
    LiBr
    D
    LiI

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