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

Moderate

A

Ionisation enthalpy increases for each successive electron.
B

The greatest increase in ionisation enthalpy is experienced on removal of electron from core noble gas configuration.
C

End of valence electrons is marked by a big jump in ionisation enthalpy.
D

Removal of electron from orbitals bearing lower n value is easier than from orbital having higher n value.

Solution

As the value of n increases, the nuclear attraction over the outermost shell decreases, therefore removal of an electron will be easier.

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