Which one is paramagnetic from the following
$O_2^ - $
$NO$
Both $(a)$ and $(b)$
$C{N^ - }$
Atomic number of an element is $26.$ The element shows
The number and type of bonds in $C_2^{2 - }$ ion in $CaC_2$ are
Which of the following species is the least stable
The total number of electrons in all bonding molecular orbitals of $O_{2}^{2-}$ is $....\,.$
(Round off to the Nearest Integer).
Stability of the species $Li_2, Li_2^-$ and $Li_2^+$ increases in the order of :