Which of the following pairs of species have unpaired electrons in antibonding Molecular Orbital

  • A

    $C_2,O_2$

  • B

    $O_2,He_2^+$

  • C

    $He_2^+,C_2$

  • D

    $N_2,O_2^-$

Similar Questions

Which of the following statement is correct about $I^+_3$ and $I^-_3$ molecular  ions ?

Correct decreasing order of bond order of oxygen species in $I$ to $IV$

$(I)$   $Na_2O_2$

$(II)$  $O_2 [AsF_6]$

$(III)$  $CsO_2$

$(IV)$  $O_2$

Compare the relative stability of the following species and indicate the magnetic properties : ${{\rm{O}}_2}{\rm{,O}}_2^ + ,{\rm{O}}_2^ - $ (super oxide); ${\rm{O}}_2^{2 - }$ (Peroxide)

Which of the following species have maximum number of unpaired electrons

  • [AIIMS 1983]

Use molecular orbital theory to explain why the $\mathrm{Be}_{2}$ Molecule does not exist.