5. What is the most likely structure of product Z?

(A) 

(B)

(C)

(D)

(E)

6. Which of the following descriptions about the TLC analysis of Compound G and H is incorrect? (A) If "TLC 1" is a normal phase silica TLC plate, Compound H is more polar than Compound G.(B) If Compound G and H are analyzed again with a reverse phase silica TLC plate in EtOAc:n-hexane (3:2) then "TLC 2" could be the result.(C) "TLC 2" could be the result of running a normal phase silica TLC plate with EtOAc:n-hexane (2:3).(D) The Rf values of both compounds would change if the TLC is run with different ratios of EtOAc and n-hexane.(E) All of the above are incorrect

7. The highest occupied molecular orbital (HOMO) of 1,3,5-hexatriene is:(A)(B) (C) (D)(E)

8. What would be the major product of the following reaction?(A) (B) (C) (D)(E)

9. The reaction in question 8 is classified as a ...(A) [3,3] sigmatropic rearrangement(B) [6π] electrocyclization(C) [4+2] cycloaddition(D) [2+2] cycloaddition(E) [3+3] cycloaddition

10. What would be the major product of the following reaction?(A)(B) (C) (D) (E)

11. Which of the following is/are nonaromatic?(A) 1 and 2(B) 3 and 5(C) 3(D) 4(E) 4 and 5

12. What is the complete systematic IUPAC name for Compound J?(A) (1S,4R)-1-hydroxy-4-isopropylcyclopent-2-ene(B) (1R,4S)-1-hydroxy-4-isopropylcyclopent-2-ene(C) (1S,4R)-4-isopropylcyclopent-2-en-1-ol(D) (1R,4R)-4-isopropylcyclopent-2-en-1-ol(E) (1S,4R)-1-isopropylcyclopent-2-en-4-ol

13. What is the most likely structure of Compound K?(A) structure A with HO group(B) structure B with OH group(C) structure C with OH groups(D) ketone structure D(E) ketone structure E

14. How would you use the following sets of reagents to synthesize Compound M from benzene (providing that ortho and para products can be separated)?1) NaOMe, MeOH, heat 2) HNO3, H2SO4 3) Cl2, FeCl3 4) NaNO2, HCl(A) 3 then 1 then 2(B) 2 then 3 then 1(C) 3 then 2 then 1(D) 4 then 3 then 1(E) 3 then 4 then 1

15. What is the most likely structure of Compound N?(A)(B) (C)(D) (E)

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