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Describe the occupied π molecular orbitals in the ground state of cyclobutadiene
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- Describe the structure of the SP2 hybridized carbon atom. With the participation of which orbital can it form a π-bond with another sp2-hybridized carbon atom?Sketch the ultraviolet absorption spectrum of 1,3-Butadiene, matching peaks to electronic transitions. show that four isolated p orbital on carbon atoms combine to form pi orbitalDraw the p-molecular orbitals for the LUMO of butadiene
- Aromatic compounds must have a p orbital on every atom in the ring. Define this ?The pentadienyl radical, H2C“CH¬CH“CH¬CH2#, has its unpaired electron delocalized over three carbon atoms. How many nodes are there in the lowest-energy MO of the pentadienyl system? How many in the highest-energy MO?The pentadienyl radical, H2C“CH¬CH“CH¬CH2#, has its unpaired electron delocalized over three carbon atoms.(a) Use resonance forms to show which three carbon atoms bear the unpaired electron.(b) How many MOs are there in the molecular orbital picture of the pentadienyl radical?