CHAPTER Which of the following does not contain oxygen? a. alkanes b. alcohols c. ketones d. esters. ANS: a
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1 CHAPTER Which of the following does not contain oxygen? a. alkanes b. alcohols c. ketones d. esters 2. An organic compound with an OH functional group is a (n) a. aldehyde b. ketone c. ether d. alcohol 3. Rubbing alcohol is a. methanol, CH 3 OH b. 2-propanol, CH 3 CHOHCH 3 c. ethanol, CH 3 CH 2 OH d. l-propanol, CH 3 CH 2 CH 2 OH 4. The maximum alcohol concentration in the preparation of ethanol by fermentation of grapes or other fruit is a % b. l2% c. l00% d. 95% 5. What is the percent of ethanol in rum that is 140 proof? a. 35% b. 70% c. 280% d. 75% 182
2 6. Ethylene glycol, a dialcohol, is the main ingredient in a. tobacco humectants b. antifreeze c. denaturated alcohol d. gasohol 7. Which functional group contains a nitrogen atom? a. ketone b. ester c. amine d. carboxylic acid 8. The oxidation of primary alcohols produces a. carboxylic acids b. amines c. ketones d. esters 9. Which carboxylic acid is the substance responsible for the sting of an ant bite? a. butyric b. propionic c. acetic d. formic 10. The product of the reaction between a carboxylic acid and an alcohol is a. ester b. ketone c. aldehyde d. none of these 183
3 11. The odor in many fruits is due to the presence of a. amines b. esters c. carboxylic acids d. alcohols 12. Which does not contain a nitrogen atom in its structure? a. amine b. nylon c. polyester d. amide 13. The small molecules used to synthesize polymers are called a. macromolecules b. monomers c. elastomers d. peptides 14. Which is not an addition polymer? a. Dacron b. Teflon c. polyethylene d. Styrofoam 15. Which type of polyethylene has the greatest amount of branched chains? a. LDPE b. HDPE c. CLPE d. none have any branches 184
4 16. Which characteristic functional group is present in almost all of the monomers that participate in addition polymerization? a. OH b. CHO c. C::C d. C Cl 17. An addition polymer that finds use in fibers for rugs and fabrics is a. polypropylene b. PVC c. nylon d. polyacrylonitrile 18. Which polymer is made from the monomer, poly-cis-isoprene? a. vulcanized rubber b. polybutadiene rubber c. natural rubber d. neoprene rubber 19. Vulcanized rubber which was first produced by Goodyear in 1839 a. is poly-trans-isoprene b. contains short chains of sulfur atoms as crosslinks between polymers c. has chlorine atoms substituted for hydrogen atoms d. is a copolymer 20. Which is not a use of polyester polymer? a. textile fibers b. substitute tubing for human blood vessels c. Mylar film d. bulletproof windows in space helmets 185
5 21. The discovery of Nylon is l935 was made by this DuPont employee a. W. Carothers b. S. Kwolek c. L. Baekeland d. C. Goodyear 22. Which is a polyamide? a. Kevlar b. Mylar c. Nylon d. Lexan 23. Substances that do not undergo a permanent change when stretched are called a. monomers b. elastomers c. polymers d. plastics 24. Most reinforced plastics are polymers containing a. steel wire b. aluminum wires c. mylar film d. glass fibers 25. Alcohol consumption produces blood levels that are linked to definite physiological effects. Which of the following is the correct pair for number of drinks and alcohol blood level? Some states define "intoxicated" as 0.10% a. 5 to 10 drinks; % alcohol by volume b. 5 to 10 drinks; % alcohol by volume c. 5 to 10 drinks; % alcohol by volume d. over 5 drinks; 0.50% alcohol by volume 186
6 26. Which is the most commonly recycled plastic? a. HDPE b. PET c. PS d. LDPE 27. Orlon has the polymeric chain structure shown: Which is the monomer structure? CH 2 CH CN n a. CH 2 b. H 2 CCN c. CH 2 CH C N d. H 2 C CH C N 28. Which polymer material occurs naturally? a. nylon b. dacron c. polycarbonates d. latex rubber 29. Polymerization is a(n) a. formation of large molecules out of little ones b. formation of small molecules out of large ones c. analysis of the chemical content of polymers d. effective means of producing molecules of intermediate size, but not very large ones 187
7 30. What is the role of an organic peroxide in the polymerization of ethylene? a. the peroxide is a copolymer b. the peroxide forms free radicals that initiate attack of double bonds c. the peroxide destroys free radicals which would stop the reaction d. the peroxide moderates the speed of the reaction, allowing for a more orderly process 31. Which is not a factor in the degree of chain branching in polyethylene? a. reaction temperature b. reaction pressure c. catalysis d. source of ethylene 32. Which of the following monomers contain a benzene ring (phenyl group) in the molecular structure? a. ethylene b. styrene c. vinyl chloride d. acrylonitrile 33. What element is used to form cross links between polymer chains in Vulcanized rubber? a. sulfur b. silicon c. carbon d. oxygen 34. How many double bonds per molecule are contained in the isoprene molecule? a. 0 b. 1 c. 2 d
8 35. Which is not true of poly-cis-isoprene? a. it stretches easily b. the methyl groups are on the same side of the molecular chain c. it occurs naturally d. it is also known as gutta-percha 36. What two monomers have been copolymerized to make an excellent synthetic rubber? a. styrene and ethylene b. styrene and butadiene c. ethylene and butadiene d. ethylene and vinyl chloride 37. Which of the following commercial materials is not a condensation polymer? a. Teflon b. Dacron c. Mylar d. nylon 38. In a condensation polymerization process, what happens to form the polymer chain? a. small molecules such as water are split out and monomers are linked b. small molecules such as water are required for the bonding link c. small molecules may be split out or required depending on whether an ester or an ether linkage is formed d. small molecules such as water are moved from one position to another 39. In the nylon structure, the polymeric chains are held together in a side-by-side fashion by a. sulfide bonds b. oxygen bridges c. hydrogen bonding d. carbon-carbon single bonds 189
9 40. A polycarbonate (Lexan or Merlon) is a plastic that is noted for its use in a. plumbing pipes b. bullet-proof "glass" c. clothing fabrics d. automobile paints 41. Which of the following molecules have been found in outer space? a. CH 3 CH 2 CN b. CH 3 OH c. CH 3 CH 2 OH d. all of these 42. What is the monomer in teflon? a. CF:::CF, difluoroacetylene b. CH 2 ::CH 2, ethylene c. CF 2 ::CF 2, tetrafluoroethylene d. CF 3 CF 3, hexafluoroethane 43. Which of the following is an incorrect pairing? a. CH 2 ::CHCH 2 CH 2 CH 2 CH 2 CH 2 CH 3, alkene b. CH 3 OCH 3, amine c. CH 3 CH 2 OH, alcohol d. (CH 3 ) 2 CO, ketone 44. Which of the following contains a carbonyl group? a. alkanes b. alcohols c. ketones d. ethers 190
10 45. An organic compound with an NH functional group is a (n) a. amine b. ketone c. ether d. alcohol 46. The oxidation of secondary alcohols produces a. carboxylic acids b. amines c. ketones d. esters 47. Which carboxylic acid is known as vinegar? a. butyric b. propionic c. acetic d. formic 48. The odor of decaying flesh is due to the presence of a. amines b. esters c. carboxylic acids d. alcohols 49. Identify the addition polymer used in sewer pipes? a. polypropylene b. PVC c. nylon d. polyacrylonitrile 191
11 50. Identify the correct pair? a. CH 3 CH 2 CH 3, alkene b. CH 3 OCH 3, ether c. CH 3 CH 2 NH 2, amide d. CH 3 COOH, aldehyde 192
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