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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
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Which of the following arrangements represents the correct order of electron gain enthalpy (with –ve sign) of the given atomic species?
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Correct option: D
Option D () is correct because electron gain enthalpy becomes more negative as we move from left to right across a period and less negative as we move down a group, with some exceptions due to electron-electron repulsion.
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