Chemistry, asked by boswassourav2788, 10 months ago

Why 2nd electron gain enthalpy and its successor are always positive

Answers

Answered by sourya1794

25

Explanation:

When an electron is added to an isolated oxygen atom, it becomes uninegative ion. ... Hence more energy has to be supplied for the addition of an electron to this uninegative ion. Therefore , the second electron gain enthalpy is positive for oxygen.

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