Stuck on the following problems and would appreciate some help.
Thank You!
6. What are the structures of compounds A and B in the reaction sequence shown? Br₂/H₂0 NaOH A B + enantiomer + enantiomer ABCDE + enantiomer III A. A is I and B is II B. A is II and B is I C. A is III and B is IV D. A is IV and B is III E. A is I and B is III 7. Identify from the following compounds those having conjugated double bonds. III IV II and V II, IV, and V I and III II and IV E. I, III, and IV 8. What is the IUPAC name for the following compound? A. B. Br "OH C. D. 11 Œ "Br IV + enantiomer A. (2E,4Z,6E)-3,4,7,8-tetramethyl- 2,4,6-heptatriene (2Z,4E)-3,4,7-trimethyl-2,4,6- octatriene B. C. (2E,4Z,6E)-2,5,6,7-tetramethyl- 3,5,7-heptatriene D. (2E,4Z)-2,5,6-trimethyl-3,5,7- octatriene E. (4E,6E)-2,5,6-trimethyl-2,4,6- octatriene 9. Which of the following indicated C-C bonds is the shortest? I II III D. IV E. V 10. Which one of the following represents the lowest energy-bonding molecular orbital of 1,3-butadiene? 100 0 0 0 0 0000 0 0 0 0 0000 111 · 00 • 0000 IV E || A. I B. II C. III D. IV E. V ABCDE A. .... 0000 V
Stuck on the following problems and would appreciate some help. Thank You!
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