Quiz Essay

Semester: fall 2011 Practice to Chapter 12 (Alkenes & Alkynes *1. Consider the following: CH3CH2CH=CHCH2CH3 CH3CH2CH2CH2CH=CH2 I II CH3CH=CHCH2CH2CH3 CH2=CHCH2CH2CH2CH3 III IV Which two structures represent the same compound? A) I and II B) II and III C) I and III D) II and IV E) None of these *2. Give the IUPAC name for A) 3-Methyl-4-hexyne B) 4-Methyl-2-hexyne C) 2-Ethyl-3-pentyne D) 4-Ethyl-2-pentyne E) 3-Methyl-2-hexyne 3. What is the IUPAC name for this compound? A. cis-1-ethyl-2-methylethene B. trans-2-pentene

C. 1-methyl-butene D. trans-methylbutene E. cis-2-pentene *4. A correct IUPAC name for the following compound is: A) 3,6,7-trimethyl-4-bromo-1-octene B) 4-bromo-3-methyl-6-isopropyl-1-heptene C) 4-bromo-3,6,7-trimethyl-1-octene D) 4-bromo-6-isopropyl-3-methyl-1-heptene E) 4-bromo-6-isopropyl-3,6-dimethyl-1-hexene *5. Which alkene would yield 3-methylpentane when subjected to catalytic hydrogenation? A) B) C) D) E) *61.? What product is formed on reaction of hydrogen chloride with 1-pentene? ?1. 1-Chloropentane? . 1-Chloro-1-pentene ?2. 2-Chloropentane? 5. 2-Chloro-1-pentene ?3. 1,2-Dichloropentane *7. Sandwich bags is typically made of: a. high density Polyethylene b. Polystyrene c. Polyvinylchloride d. Low density polyethylene 8. What is the IUPAC name for this compound? A. 2-bromo-3-methyl-1-pentene B. 2-bromo-3-methyl-3-pentene C. 2-bromo-1-ethyl-2-butene D. 3-bromo-2-ethyl-1-butene E. 3-bromo-2,2-dimethyl-1-butene 9. Assign an IUPAC name to the unsaturated hydrocarbon shown below. A. methyl-3-cyclohexene

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B. 4-methyl-1-cyclohexene C. 3-methylcyclohexene D. 1-methyl-3-cyclohexene E. 4-methylcyclohexene 10. When water reacts with the compound, CH3-CH=CH2 , what will be the major product? A. B. C. D. E. 11. Assign an IUPAC name to the following compound. A. 3-hexylbenzene B. 3-benzylhexane C. 3-phenylhexane D. 3-aromohexane E. 3-benzenehexane 12. Which of the following when exposed to chlorine will produce 2,3-dichloropentane? A) cis-2-Pentene B) Pentane C) 1-Pentyne D) Cyclopentane E) 1,2-Dichlorohexane 1