Which one of the following statements is incorrect in relation to ionization enthalpy?

  • A
    Ionization enthalpy increases for each successive electron.
  • B
    The greatest increase in ionization enthalpy is experienced on removal of electron from core noble gas configuration.
  • C
    End of valence electrons is marked by a big jump in ionization enthalpy.
  • D
    Removal of electron from orbitals bearing lower $n$ value is easier than from orbital having higher $n$ value.

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