Which one of the following statement is incorrect in relation to ionisation enthalpy. \( P \) (a...

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Which one of the following statement is incorrect in relation to ionisation enthalpy.
\( P \)
(a) Ionisation enthalpy increases for each successive electron.
(b) The greatest increase in ionisation energy is experienced by removal of electron from core
W. noble gas configuration.
(c) End of valence electrons is marked by a big jump in ionisation enthalpy.
(d) Generally removal of electron from orbital bearing lower \( n \) value is easier than from orbital having higher \( n \) value.
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