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  • Which amongst the following is incorrect statement?  Option: 1

Which amongst the following is incorrect statement?
 

Option: 1

\mathrm{C}_{2} molecule has four electrons in its two degenerate \mathrm{\pi} molecular orbitals.
 


Option: 2

\mathrm{H}_{2}^{+} ion has one electron.
 


Option: 3

\mathrm{O}_{2}^{+}ion is diamagnetic.
 


Option: 4

The bond orders of  \mathrm{O}_{2}^{+}, \mathrm{O}_{2}, \mathrm{O}_{2}^{-} and \mathrm{O}_{2}^{2-} are 2.5,2,1.5 \: \mathrm{and} \: 1 respectively.


Answers (1)

best_answer

\mathrm{O_{2}^{+}} ion will be paramagnetic due to the presence of unpaired electron in \mathrm{\pi-2p} orbital ofmolecular orbital

hence correct option is 3.

Posted by

Gunjita

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