According to $MOT$ which of following is correct
$LUMO$ level for $C_2$ molecule is $\sigma 2p_x$ orbital
In $C_2$ molecule both bounds are $\pi $ bonds
In $C_2^{-2}$ ion there is one $\sigma $ and two $\pi $ bonds
All above are correct
Which of the following molecular orbitals has maximum number of nodal planes ?
Which one of the following molecules is paramagnetic?
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.
Correct decreasing order of bond order of oxygen species in $I$ to $IV$
$(I)$ $Na_2O_2$
$(II)$ $O_2 [AsF_6]$
$(III)$ $CsO_2$
$(IV)$ $O_2$
Which of the following species is paramagnetic?