Chemistry, asked by hk7893432, 9 months ago

compare 1st and 2nd electron gain enthalpy of O2 1st is exothermic and 2nd is endothermic

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Answered by MoonxDust

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when an electron is added to Oxygen atom to form O- ion , energy is released . hence, first electron gain enthalpy of oxygen is negative . ... hence, when we add 2nd electron , then energy absorb by it.

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compare 1st and 2nd electron gain enthalpy of O2 1st is exothermic and 2nd is endothermic​

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compare 1st and 2nd electron gain enthalpy of O2 1st is exothermic and 2nd is endothermic