In which change bond order and number of unpaired $e^-$ both are increased
$N_2 \to N_2^{-2}$
${B_2} \to B_2^ - $
$O_2^ - \to O_2^{2 - }$
$O_2^ - \to {O_2}$
The correct order of the $O-O$ bond length in $O_2$ , $H_2O_2$ and $O_3$ is
In which of the following pairs of molecules/ions, both the species are not likely to exist?
Which of the following molecular orbital has two nodal planes
The bond order in $N_2^ + $ ion is
Which of the following species show maximum ionisation energy and nodal plane