Which amongst the following is incorrect statement?
Which amongst the following is incorrect statement?
- [NEET 2022]
- A
$C _{2}$ molecule has four electrons in its two degenerate $\pi$ molecular orbitals.
- B
$H _{2}^{+}$ion has one electron.
- C
$O _{2}^{+}$ion is diamagnetic.
- D
The bond orders of $O _{2}^{+}, O _{2}, O _{2}^{-}$and $O _{2}^{2-}$ are $2.5, 2, 1.5$ and $1,$ respectively.
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