# Among the following molecules / ions,

Question:

Among the following molecules / ions,

$\mathrm{C}_{2}^{2-}, \mathrm{N}_{2}^{2-}, \mathrm{O}_{2}^{2-}, \mathrm{O}_{2}$

which one is diamagnetic and has the shortest bond length?

1. $\mathrm{C}_{2}^{2-}$

2. $\mathrm{N}_{2}^{2-}$

3. $\mathrm{O}_{2}$

4. $\mathrm{O}_{2}^{2-}$

Correct Option: 1

Solution: