In general second ionisation enthalpy of an atom will be

Explanation:

Ionisation enthalpy refers to the energy required to remove an electron from an atom or ion. Once the first electron is removed, the remaining electrons are held more tightly due to the increased effective nuclear charge. This makes it harder to remove the second electron, resulting in a higher second ionisation enthalpy compared to the first.

Final Answer

The second ionisation enthalpy of an atom will be higher than the first ionisation enthalpy.