NEETChemistryChemical Bonding and Molecular StructureMCQ+4 / −1
Which amongst the following is incorrect statement?
- AThe bond orders of O, O2, O and O are 2.5, 2, 1.5 and 1, respectively
- BC2 molecule has four electrons in its two degenerate molecular orbitals
- CH ion has one electron
- DO ion is diamagnetic
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Correct answer: D

Due to one unpaired electron in $\pi$ * 2p molecular orbital, O$_2^ + $ is a paramagnetic ion.
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