Which of the following would have same magnetic nature whether $sp$ mixing is operative or not?
$C_2$
$B_2$
$O_2$
All of these
The bond order is maximum in
According to molecular orbital theory, which of the following is true with respect to $Li_2^ + $ and $Li_2^ - $ ?
Calculate the bond order of ${{\rm{N}}_2},{{\rm{O}}_2}{\rm{,O}}_2^ + $ and ${\rm{O}}_2^ - $
The number of species from the following which are paramagnetic and with bond order equal to one is___________
$\mathrm{H}_2, \mathrm{He}_2^{+}, \mathrm{O}_2^{+}, \mathrm{N}_2^{2-}, \mathrm{O}_2^{2-}, \mathrm{F}_2, \mathrm{Ne}_2^{+}, \mathrm{B}_2$
Give electron configuration, bond order, magnetic property and energy diagram for berilium $\left( {{\rm{B}}{{\rm{e}}_2}} \right)$ molecule and writ about it existence.