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

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

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

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

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

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

Which one of the following statements is incorrect in relation to ionization enthalpy? (1)Ionization enthalpy increases for each successive electron.(2)The greatest increase in ionization enthalpy is experienced on removal of electron from core noble gas configuration (3)End of valence electrons is marked by a big jump in ionization enthalpy (4)Removal of electron from orbitals bearing lower n value is higher than from orbital having higher 'n' value.

Which one of the following statement is incorrect in relation to ionisation enthalpy?