Stability of the species

Question:

Stability of the species $\mathrm{Li}_{2}, \mathrm{Li}_{2}^{-}$and $\mathrm{Li}_{2}^{+}$increases in the order of :-

  1. $\mathrm{Li}_{2}<\mathrm{Li}_{2}^{+}<\mathrm{Li}_{2}^{-}$

  2. $\mathrm{Li}_{2}^{-}<\mathrm{Li}_{2}^{+}<\mathrm{Li}_{2}$

  3. $\mathrm{Li}_{2}<\mathrm{Li}_{2}^{-}<\mathrm{Li}_{2}^{+}$

  4. $\mathrm{Li}_{2}^{-}<\mathrm{Li}_{2}<\mathrm{Li}_{2}^{+}$


Correct Option: , 2

Solution:

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