Question

eglon is wed is TH NMR spectroscopy B) ultraviolet D) microwave ) infraed ymcasures the energy required to promote an electron from the_ molecular orbital to the A) highest occupied, lowest unoccupied B) lowest occupied, lowest unoccupied D) highest occupied, highest unoccupied molecular orbital 10. Which good solvents in organic reactions? of the following is not a property of ethers which makes them A) They dissolve a wide range of polar substances. B) They have relatively high boiling points for their C) They are nonhydroxylic. molecular weights. D) They are normally unreactive toward strong bases 11. What descriptive term is applied to the type of diene A) conjugated diene C) isolated diene represented by 1,5-octadiene? B) cumulated diene D) alkynyl diene 12. Which of the following terms best describes a Diels-Alder reaction? A) a [4+2] cycloaddition C) a sigmatropic rearrangement B) a [2+2] cycloaddition D) a 1,3-dipolar cycloaddition 13. Which of the following compounds has the shortest ax? IV )1 B) 11 D) IV electrophilic aromatic substitution reactions the hydroxyl group is an o,p-director because: onates electron density to the ring by induction and destabilizes the meta sigma complex. onates electron density to the ring by resonance and stabilizes the ortho and para sigma xes. nates electron density to the ring by induction and stabilizes the ortho and para sigma es. ates electron density to the ring by resonance and destabilizes the meta sigma compl

Answer 1