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Question -

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 the removal of an electron from core noble gas configuration.
(c) End of valence electrons is marked by a big jump in ionization enthalpy.
(d) Removal of an electron from orbitals bearing lower n value is easier than from orbital having higher n value 



Answer -

(d) is the incorrect statement

For orbitals having a lower value of ‘n’ the removal of an electron is easy compared to the orbitals having a higher value of ‘n’.

Because the electrons of orbitals having a lower value of ‘n’ are highly attracted to the nucleus than that of  the electrons of orbitals having a higher value of ‘n’

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