c. 3 -44 7. How many sets of equivalent protons are there in 2-methylhexane? a. 2 b. 3 c. 6 d. 7 8. How many sets of equivalent protons are there in 3-methylhexane? a. 2 b. 3 c. 6 d. 7 9. Which of the following combinations of peaks appears in the 'H NMR spectrum of 1,4-dimethyoxyethane. CH,OCH-CH-CH-CH-OCH,? a. three singlets b. a singlet, a triplet, and a quintet c. a singlet and two triplets d. a doublet and a triplet 10. Which CH-Br compound gives a triplet at approximately 3.5 ppm in the 'H NMR spectrum? Br 2 Br a. 1 b. 2 c. 3 d. 4 11. Which of the protons in the following molecule appear at the highest ô-value in the 'H NMR spectrum? " H₂ Ni CH iv CH₂ HC Pg. 2 CHEM2425. Review for Test 1 (chapter 12. 13. 14, 15). Stafford. S18