For a stable molecule,the value of bond order must be

$KO_2$ exhibits paramagnetic behaviour. This is due to the paramagnetic nature of

The paramagnetic molecule at ground state among the following is

How many bonds (bond order) does $B_2$ have?

Which of the following species is not paramagnetic?

Select the correct set of statements regarding the molecular orbital theory of $O_2$:
$A$. Addition of an electron to $O_2$ decreases bond order.
$B$. Addition of an electron to $O_2$ increases bond order.
$C$. Removal of an electron from $O_2$ increases bond length.
$D$. Removal of an electron from $O_2$ decreases bond length.