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Though nitrogen exhibit +5 oxidiation st...

Though nitrogen exhibit +5 oxidiation state, it does not form pentahalide. Why?

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Nitrogen `(Z=7)` has configuration of `1s^(2), 2s^(2),2s^(2),2p^(3)`. The valence shell in nitrogen `(n=2)` does not contains d - orbitals. As a results of this nitrogen cannot expand its convalence beyond three. Accordingly, it cannot form pentahalide.
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Knowledge Check

  • Phosphorus forms five bonds due to sp^(3)d hydridisation but nitrogen does not form pentahalides due to :

    A
    small size of N atom
    B
    high ionisation energy of N
    C
    absence of d - orbitals in valence shell
    D
    its tendency to form multiple bonds.

  • Group 15 elements exhibit + 3 and + 5 oxidation states + 3 oxidation state is more stable than + 5 in case of :

    A
    N
    B
    P
    C
    As
    D
    Bi

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