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- Examine the sigma bonding in ethene. What types of orbitals does each C atom use when forming sigma bonds to the H atoms? s orbial p orbitals Ohybrid orbitals Submit What type of orbital does each C atom use to form a sigma bond to the other C atom? s orbial p orbitals hybrid orbitals O Submit Now examine the pi bonding in ethene. What types of orbitals on the C atoms are used to form the pi bond? Os orbital p orbitals hybrid orbitals SubmitDo all of the atoms in buta-1,3-diene haveto reside in the same plane? Why or whynot?Draw the structures of 1,3-pentadiene and 1,4-pentadiene and label the carbons. Predict the trendin C-C single bond lengths in the two compounds.
- (1R)-1-chloro-1-cyclohexylpropan-1-ol Draw the bond-line structure of the said compound12. The combustion of what volume of ethanol, measured at 23°C and 765 mm Hg, would be required to heat 1727 g of water from 25°℃ to 78°C? (AH data table provided in anwer key) C₂H5OH (1) + 3 02 (8) → 2 CO2 (g) + 3 H₂O (1)Specify the formal charges on the atoms labeled a-c in each structure. b a:0: CH3CH2, CH2CH3 b H3CN-CH3 CH;CH2 CH2CH3 ČH3 a a b b
- 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?(c) How many nodes are there in the lowest-energy MO of the pentadienyl system? How many in the highest-energy MO?(d) Draw the MOs of the pentadienyl system in order of increasing energyWhich of the following molecules are chiral? H andThe 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?(c) How many nodes are there in the lowest-energy MO of the pentadienyl system? How many in the highest-energy MO?(d) Draw the MOs of the pentadienyl system in order of increasing energy. (continued)762 CHAPTER 15 Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy(e) Show how many electrons are in each MO for the pentadienyl radical (ground state).(f) Show how your molecular orbital picture agrees with the resonance picture showing delocalization of the unpairedelectron onto three carbon atoms.(g) Remove the highest-energy electron from the pentadienyl radical to give the pentadienyl cation. Which carbon atomsshare the positive charge? Does this picture agree with the resonance picture?(h) Add an…