Answer the following questions as thoroughly as you can in preparation for the Friday Quiz. 1. Classify the following molecules as cumulated, conjugated, or isolated alkenes. A. 4-methyl-1,3-heptadiene B. 3-methyl-1,5-heptadiene C. 2-methyl-2,4-heptadiene D. 4-methyl-1,4-heptadiene E. 5-methyl-2,3-heptadiene 2. Think about E2 eliminations. If you started with 1,2-dibromocyelohexane and added 2 equivalents of tBuOK, what product would you create? 3. a) Rank the following according to increasing stability of the alkenes. b) Rank the following according to increasing heat of hydrogenation. 4. Using the orbitals listed, answer the following questions about molecular orbitals of 2,4-hexadiene. A) Which one represents the lowest energy 5 -bonding molecular orbital of 2,4 -hexadiene? B) Which one represents the highest energy E-antibonding molecular orbital of 2,4-hexadiene? C) Which one represents the HOMO of 2,4-hexadiene? D) Which one represents the LUMO of 2,4 -hexadiene? E) How many electrons does the HOMO of 2,4-hexadiene have in its ground state? F) How many electrons does the LUMO of 2,4-hexadiene have in its ground state? G) How many electrons does the LUMO of 2,4-hexadiene have in its excited state? 5. Predict the major product for each of the following reactions. Classify product as kinetic or thermodynamic. A. B