Which one of the following species does not exist?
Which one of the following is not paramagnetic ?
According to molecular orbital theory which of the following lists rank the nitrogen species in terms of increasing bond order ?
Which of the following statement is not correct from the view point of molecular orbital theory ?
(1) Be2 is not a stable molecule
(2) He2 is not a stable but He2+ is expected to exist.
(3) Bond strength of N2 is maximum amongst the homonuclear diatomic molecules belonging to the second period.
(4) The order of energies of molecular orbitals in N2 molecule is
s2s < s*2s < s2pz < (p2px=p2py) < (p*2px=p*2py) < s*2pz
In the molecular orbital diagram for ion. the HOMO is :-
(1) MO orbital
(2) π MO orbital
(3) π* MO orbital
(4) MO orbital