Which of the following pairs of species have unpaired electrons in antibonding Molecular Orbital
$C_2,O_2$
$O_2,He_2^+$
$He_2^+,C_2$
$N_2,O_2^-$
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
Use molecular orbital theory to explain why the $\mathrm{Be}_{2}$ Molecule does not exist.