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Electron gain enthalpies of free anions are alwaysA. zeroB. negativeC. positiveD. nonzero |
Answer» Correct Answer - C Enegry is always required to bring a negative charge (electron) closer to another negative charge (anion). So the addition of a second electron to a `1`-anion to from an ion with a `2-`charge is always endothermic. |
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