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CGP EDU Academic Team
Published on: August 12, 2026
Assertion: Energy is always required to remove electrons from an atom and hence ionization enthalpies are always negative.
Reason: The second ionization enthalpy will be lower than the first ionization enthalpy.
Text Solution
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D
Energy is always required to remove electrons from an atom and hence ionization enthalpies are always positive. The second ionization enthalpy will be higher than the first ionizarion enthalpy because it is more difficult to remove an electron from a positively charged ion than from a neutral atom.
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