# According to molecular orbital theory

Question:

According to molecular orbital theory, which of the following is true with respect to $\mathrm{Li}_{2}^{+}$and $\mathrm{Li}_{2}^{-} ?$

1. Both are unstable

2. $\mathrm{Li}_{2}^{+}$is unstable and $\mathrm{Li}_{2}^{-}$is stable

3. $\mathrm{Li}_{2}^{+}$is stable and $\mathrm{Li}_{2}^{-}$is unstable

4. Both are stabel

Correct Option: , 4

Solution: