Which of the following processes involves abs | vedclass

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(B) The process of adding an electron to a neutral atom (first electron gain enthalpy) is generally exothermic,meaning energy is released. However,add

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$S^{-}_{(g)} + e^- 	o S^{2-}_{(g)}$

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(B) The process of adding an electron to a neutral atom (first electron gain enthalpy) is generally exothermic,meaning energy is released. However,adding an electron to an already negatively charged ion (like $S^-$) requires overcoming the electrostatic repulsion between the incoming electron and the negative ion. Therefore,energy must be supplied (absorbed) to force the second electron onto the anion. In the reaction $S^{-}_{(g)} + e^- 	o S^{2-}_{(g)}$,energy is absorbed.

Which of the following processes involves absorption of energy?

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