Question 19
Which of the following statement is not correct from the view point molecular orbital theory?
(a) Be2 is not a stable molecule
(b) He2 is not stable but He+2 is expected to exist.
(c) Bond strength of N_2 is maximum amongst the homonuclear diatomic molecules belonging to the second period.
(d) The order of energies of molecular orbitals in N2 molecule is
σ2s<σ∗2s<σ2pz<(π∗2px≃π∗2py)<σ∗2pz