The number and type of bonds in $C_2^{2 - }$ ion in $CaC_2$ are
One $\sigma $ bond and one $\pi - $ bond
One $\sigma $ bond and two $\pi - $ bond
Two $\sigma $ bond and two $\pi - $ bond
Two $\sigma $ bond and one $\pi - $ bond
The paramagnetic nature of oxygen can be explained by
The bond order in ${N_2}$ molecule is
A simplified application of $MO$ theory to the hypothitical molecule $'OF'$ would give its bond order as :-
Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them
Calculate the bond order of ${{\rm{N}}_2},{{\rm{O}}_2}{\rm{,O}}_2^ + $ and ${\rm{O}}_2^ - $