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Although the electron gain enthalpy of `N(2s^2 2p63)` is positive, the `N^(3-)` ion `(2s^2 2p^6)` is stable in the presence of certain positive ions such asA. `Na`B. `Li`C. `K`D. `Rb` |
Answer» Correct Answer - B `Li^(+)`, on account of high charge density leads to the formation of lithium nitide, `Li_3N`. Allkaline earth metals also form nitrides on account of high lattice enthalpy. |
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