The Formation Of The Oxide Ion O2–(g) Requires First An Exothermic And Then An Endothermic Step As Shown Below This Is Because

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Question

The formation of the oxide ion O^2–(g) requires first an exothermic and then an endothermic step as shown below





This is because

easy

Solution

Correct option is

O^– ion will tend to resist the addition of another electron

The addition of second electron in an atom or ion is always endothermic as the incoming electron experience the greater force of repulsion.

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