'l of / Chapter 7 9. What is the IUPAC name of the following compound? (CH3)2CHCH2-CC-CH(CH3)2 a. 2,6-dimethyl-3-heptyne b. 2,6-dimethyl-4-heptyne c. 1,1,5,5-tetramethyl-2-pentyne d. 4-nonyne ANSWER: a 10. What is the IUPAC name of the following compound? a. 3,4-dimethyl-1-hexen-S-yne b. 4-ethynyl-2-vinylbutane c. 3-methyl-4-vinyl-1-pentyne d. 4-cthynyl-3-methyl-1-pentyne ANSWER: a 12. What is the IUPAC name of the following compound? нс a. (R)-4-methyl-2-hexyne b. (S)-4-methyl-2-hexyne C. (R)-3-methyl-4-hexyne d. (S)-3-methyl-4-hexyne ANSWER: 6 17. What is the major organic product obtained from the following reaction? Na DMSO a. cyclohexyne b. 1,3-cyclohexadiene c. cyclohexene d. 1.2-diaminocyclohexane ANSWER: D 21. What is the major organic product obtained from the following reaction? 1. Nala 2 CHỊCHỊCH,EM a. 2-methyl-3-hexene