PKG ORGANIC CHEMISTRY
5th Edition
ISBN: 9781259963667
Author: SMITH
Publisher: MCG
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Chapter 15, Problem 15.70P
Interpretation Introduction
Interpretation: An explanation corresponding to the statement that polystyrene is much more readily oxidized by
Concept introduction: The general steps followed by free-radical addition reaction are stated below:
1. First step is initiation that involves formation of radical.
2. Second step is propagation.
3. Third step is the termination that involves the formation of stable bond.
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Poly(lactic acid) (PLA) has received much recent attention because the lactic acid monomer [CH3CH(OH)COOH] from which it is made can be obtained from carbohydrates rather than petroleum. This makes PLA a more “environmentally friendly” polyester. (A more in-depth discussion of green polymer synthesis is presented in Chapter 30.) Draw the structure of PLA.
Poly(lactic acid) (PLA) has received much recent attention because the lactic acid monomer [CH3CH(OH)COOH] from which it is made can be obtained from carbohydrates rather than petroleum. This makes PLA a more “environmentally friendly” polyester. Draw the structure of PLA
4. Describe how the stereoisomerism affect the degree of crystallinity
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Chapter 15 Solutions
PKG ORGANIC CHEMISTRY
Ch. 15 - Prob. 15.1PCh. 15 - Prob. 15.2PCh. 15 - Prob. 15.3PCh. 15 - Prob. 15.4PCh. 15 - Prob. 15.5PCh. 15 - Problem 15.6 Using mechanism 15.1 as guide, write...Ch. 15 - Prob. 15.7PCh. 15 - Problem 15.8 Which bond in the each compound is...Ch. 15 - Prob. 15.9PCh. 15 - Prob. 15.10P
Ch. 15 - Prob. 15.11PCh. 15 - Prob. 15.12PCh. 15 - Prob. 15.13PCh. 15 - Prob. 15.14PCh. 15 - Prob. 15.15PCh. 15 - Prob. 15.16PCh. 15 - Draw the products of each reaction.
a. b. c.
Ch. 15 - Draw all constitutional isomers formed when each...Ch. 15 - Draw the structure of the four allylic halides...Ch. 15 - Problem 15.20 Which compounds can be prepared in...Ch. 15 - Which CH bond is most readily cleaved in linolenic...Ch. 15 - Prob. 15.22PCh. 15 - Prob. 15.23PCh. 15 - Problem 15.24 When adds to under radical...Ch. 15 - Prob. 15.25PCh. 15 - Prob. 15.26PCh. 15 - Problem 15.27 Draw the steps of the mechanism that...Ch. 15 - Prob. 15.28PCh. 15 - Prob. 15.29PCh. 15 - Prob. 15.30PCh. 15 - Prob. 15.31PCh. 15 - Prob. 15.32PCh. 15 - Prob. 15.33PCh. 15 - Prob. 15.34PCh. 15 - 15.35 What is the major monobromination product...Ch. 15 - Prob. 15.36PCh. 15 - 15.37 What alkane is needed to make each alkyl...Ch. 15 - 15.38 Which alkyl halides can be prepared in good...Ch. 15 - Prob. 15.39PCh. 15 - 15.40 Explain why radical bromination of p-xylene...Ch. 15 - a. What product(s) (excluding stereoisomers) are...Ch. 15 - Prob. 15.42PCh. 15 - 15.43 Draw the products formed when each alkene is...Ch. 15 - 15.44 Draw all constitutional isomers formed when...Ch. 15 - 15.45 Draw the organic products formed in each...Ch. 15 - Prob. 15.46PCh. 15 - 15.47 Treatment of a hydrocarbon A (molecular...Ch. 15 - 15.48 Draw the products formed in each reaction...Ch. 15 - Prob. 15.49PCh. 15 - 15.50 Draw all the monochlorination products that...Ch. 15 - Prob. 15.51PCh. 15 - 15.52 (a) Draw the products (including...Ch. 15 - 15.53 Consider the following bromination: .
a....Ch. 15 - 15.54 Draw a stepwise mechanism for the following...Ch. 15 - Prob. 15.55PCh. 15 - Prob. 15.56PCh. 15 - 15.57 Devise a synthesis of each compound from...Ch. 15 - Prob. 15.58PCh. 15 - Prob. 15.59PCh. 15 - 15.60 Devise a synthesis of each compound using ...Ch. 15 - Prob. 15.61PCh. 15 - Prob. 15.62PCh. 15 - 15.63 As described in Section 9.16, the...Ch. 15 - 15.64 Ethers are oxidized with to form...Ch. 15 - Prob. 15.65PCh. 15 - Prob. 15.66PCh. 15 - 15.67 In cells, vitamin C exists largely as its...Ch. 15 - What monomer is needed to form each...Ch. 15 - Prob. 15.69PCh. 15 - Prob. 15.70PCh. 15 - 15.71 Draw a stepwise mechanism for the following...Ch. 15 - 15.72 As we will learn in Chapter 30, styrene...Ch. 15 - Prob. 15.73PCh. 15 - 15.74 A and B, isomers of molecular formula , are...Ch. 15 - Prob. 15.75PCh. 15 - 15.76 Draw a stepwise mechanism for the...Ch. 15 - Prob. 15.77PCh. 15 - Prob. 15.78PCh. 15 - Prob. 15.79P
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- Poly(lactic acid) (PLA) has received much recent attention because the lactic acid monomer [CH3CH(OH)COOH] from which it is made can be obtained from carbohydrates rather than petroleum. This makes PLA a more “environmentally friendly” polyester. (A further discussion of green polymer synthesis is presented in Chapter 28.) Draw the structure of PLA.arrow_forwardDraw the structure of polystyrene, which is formed by polymerizing the monomer styrene, C6H5CH=CH2. What monomer is used to form poly(vinyl acetate), a polymer used in paints and adhesives?arrow_forwardDo you agree with the statement that if ethylene in polyethylene is derived from a biodegradable resource such as corn, does it make the polyethylene biodegradable? Explain briefly your answer?arrow_forward
- The polymerization of propene, CH₂CH=CH₂, can be classified as An addition reaction An elimination reaction A substitution reaction A condensation reactionarrow_forwardPolyethylene terephthalate (PET) is used to make synthetic fibers, such as Dacron, thin films, such as Mylar, and bottles for carbonated beverages PET is produced from ethylene glycol and either of two monomers, depending on whether the reaction proceeds bydehydration-condensation or by displacement. Write equations for the two syntheses.arrow_forwardCalculate the degree of polymerization of a sample of polyethylene [ (CH2-CH2)n], which has a molecular weight of 150,000 g/mol.arrow_forward
- In copolymers made of ethylene and vinyl acetate monomers, melting point and degree of crystallinity decrease as the percentage of vinyl acetate increases.Suggest an explanation.arrow_forward(a) Draw the structure of polystyrene, which is formed by polymerizing the monomer styrene, C6H5CH=CH2.arrow_forwardPoly(vinyl alcohol), PVA, is produced from poly(vinyl acetate) by converting the acetate groups into hydroxyl groups (Section 26.6a.1). As the number of hydroxyl groups in PVA increases, the solubility of the polymer in water decreases. How do you explain this behavior?arrow_forward
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