Q19Multiple choice
Which of the following statement is not correct from the view point of molecular orbital theory?
- (i)Be2 is not a stable molecule. +
- (ii)He2 is not stable but He2 is expected to exist.
- (iii)Bond strength of N2 is maximum amongst the homonuclear diatomic molecules belonging to the second period.
- (iv)The order of energies of molecular orbitals in N2 molecule is σ2s < σ* 2s < σ2pz < (π2px = π2py ) < (π* 2px = π* 2py) < σ*2pz
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(iv) The order of energies of molecular orbitals in N2 molecule is σ2s < σ* 2s < σ2pz < (π2px = π2py ) < (π* 2px = π* 2py) < σ*2pz