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Stability of Highest Oxidation State

  1. Aug 22, 2008 #1
    1. The problem statement, all variables and given/known data

    Why does the stability of highest oxiation state decreases from group 13 to group 17?

    Ans: My book says, that with the increase in atomic number, difference in energies between ns and np orbitals increases. Is it right? If so then can u please explain what relation exists between the statements.
  2. jcsd
  3. Aug 22, 2008 #2


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    It's better to consider this in terms of electron affinity. The energies between ns and np orbitals increases because of the increase in effective nuclear charge i.e. " it wants the electrons more " .
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