Draw the π molecular orbitals of octa-1,3,5,7-tetraene.

Molecular orbitals of octa-1,3,5,7-tetraene showing π and π* levels with nodes indicated.

Molecular orbitals of octa-1,3,5,7-tetraene with π and π* levels, nodes marked in red.

Molecular orbitals of octa-1,3,5,7-tetraene displaying π and π* levels with nodes highlighted.

Molecular orbitals of octa-1,3,5,7-tetraene illustrating π and π* levels, nodes shown in red.