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- For the aromatic compounds below, draw the p-orbitals for the compound.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 orbitalDescribe 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?
- Following the instructions for drawing the energy levels of the molecular orbitals for the compounds shown in Figure 8.17, draw the energy levels of the molecular orbitals for the cycloheptatrienyl cation, the cycloheptatrienyl anion, and the cyclopropenyl cation. For each compound, show the distribution of the p electrons. Which of the compounds are aromatic?Following the instructions for drawing the energy levels of the molecular orbitals for the compounds shown in Figure 8.17, draw the energy levels of the molecular orbitals for the cycloheptatrienyl cation, the cycloheptatrienylanion, and the cyclopropenyl cation. For each compound, show the distribution of the p electrons. Which of the compounds are aromatic?Draw the p-molecular orbitals for the LUMO of butadiene
- What are the overlapping orbitals between nitrogen and carbon in aniline? sp2-sp2 p-p sp3-sp3 sp3-sp2Draw all aromatic hydrocarbons that have molecular formula C8H10. For each compound, determine how many isomers of molecular formula C8H9Br would be formed if one H atom on the benzene ring were replaced by a Br atom.Which of the following criteria satisfies non-aromaticity? Choose whichever is applicable. (can be more than one answer) A. Continuous conjugation B. Noncontinuous conjugation C. Pi electrons are equal to 4n+2 D. Pi electrons are equal to 4n E. Planar geometry
- For which of the following compounds is the lone pair on nitrogen in a p-orbital? ( it can be more than 1 compound)Describe the occupied π molecular orbitals in the ground state of cyclobutadieneMolecule C shown below contains a group called an allene. An allene has the structure of one central carbon being doubly bonded to two other carbons (C=C=C). Please draw out all of the p-orbitals that are involved in the pi-system for molecule C. b) The p-orbital on carbon 1 in molecule C are not in conjugation with the p-orbital on carbon 2 (ie the p- orbitals are not pointing in the same direction and there is no overlap). Why does this happen?