Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 13, Problem 13.18P
13-18 Answer true or false.
- Benzene does not undergo the addition reactions that are characteristic of
alkenes .
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Chapter 13 Solutions
Introduction to General, Organic and Biochemistry
Ch. 13.2 - Prob. 13.1PCh. 13 - Answer true or false. Alkenes, alkynes, and arenes...Ch. 13 - 13-3 What is the difference in structure between a...Ch. 13 - 13-4 Define aromatic compound.Ch. 13 - 13-5 Why are alkenes, alkynes, and aromatic...Ch. 13 - 13-B Do aromatic rings have double bonds? Are they...Ch. 13 - 13-7 Can an aromatic compound be a saturated...Ch. 13 - Draw at least two structural formulas for each of...Ch. 13 - 13-9 Write a structural formula and the name for...Ch. 13 - 13-10 Account for the fact that the six-membered...
Ch. 13 - 13-11 Explain why the compound 1,4-dichlorobenzene...Ch. 13 - 13-12 One analogy often used to explain the...Ch. 13 - 13-13 Answer true or false. A phenyl group has the...Ch. 13 - Prob. 13.14PCh. 13 - 13-15 Draw structural formulas for these compounds...Ch. 13 - 13-16 We say that naphthalene, anthracene,...Ch. 13 - 13-17 Following is the structural formula of...Ch. 13 - 13-18 Answer true or false. Benzene does not...Ch. 13 - 13-19 Suppose you have unlabeled bottles of...Ch. 13 - 13-20 Three products with the molecular formula...Ch. 13 - 13-21 The reaction of bromine with toluene in the...Ch. 13 - 13-22 What reagents and/or catalysts are necessary...Ch. 13 - 13-23 What reagents and/or catalysts are necessary...Ch. 13 - Prob. 13.24PCh. 13 - 13-25 Answer true or false. (a) Phenols and...Ch. 13 - 13-26 Both phenol and cyclohexanol are only...Ch. 13 - 13-27 Define autoxidation.Ch. 13 - 13*28 Autoxidation is described as a radical-chain...Ch. 13 - 13-29 Show that if you add Steps 2a and 2b of the...Ch. 13 - 13-30 How does vitamin E function as an...Ch. 13 - 13-31 What structural features are common to...Ch. 13 - 13*32 Black-and-white photography is a commercial...Ch. 13 - 13-33 Following is the structural formula of...Ch. 13 - 13-34 (Chemical Connections 13A) From what parts...Ch. 13 - Prob. 13.35PCh. 13 - 13-36 (Chemical Connections 13A, Would you expect...Ch. 13 - Prob. 13.37PCh. 13 - 13-38 (Chemical Connections 13A) What is meant by...Ch. 13 - 13-39 (Chemical Connections 13B) What is a...Ch. 13 - 13-40 (Chemical Connections 130 In the absence of...Ch. 13 - Prob. 13.41PCh. 13 - 13-42 (Chemical Connections 13E) What are the...Ch. 13 - 13-43 (Chemical Connections 13E) Which features of...Ch. 13 - 13-44 (Chemical Connections 13E) What color would...Ch. 13 - Prob. 13.45PCh. 13 - Prob. 13.46PCh. 13 - Prob. 13.47PCh. 13 - 13-48 (Chemical Connections 13F, How many...Ch. 13 - 13-49 (Chemical Connections 13F) In what ways is...Ch. 13 - 13*50 The structure for naphthalene given in...Ch. 13 - 13-51 Draw structural formulas for these...Ch. 13 - 13-52 2,6-Di-/ezY-butyl-4-methylphenol (BHT,...Ch. 13 - 13-53 Write the structural formula for the product...Ch. 13 - 13-54 Styrene reacts with bromine to give a...Ch. 13 - 13-55 When toluene is treated with Br, in the...Ch. 13 - 13-56 Four alternatives to the structure of...Ch. 13 - 13-57 Benzene, as we have seen in this chapter, is...
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- 13-57 Benzene, as we have seen in this chapter, is the simplest aromatic compound. Pyidine is an analog of benzene in which a CH group is replaced by a nitrogenarrow_forward13-22 What reagents and/or catalysts are necessary to carry out each conversion? Benzene to nitrobenzene 1,4-dichlorobenzene to 2-bromo-l,4-dichlorobenzene Benzene to anilinearrow_forward14-49 Answer true or false. Today, the major carbon sources for the synthesis of methanol are coal and methane (natural gas), both nonrenewable resources. Today the major carbon sources for the synthesis of ethanol are petroleum and natural gas, both nonrenewable resources. Intermolecular acid-catalyzed dehydration of ethanol gives diethyl ether. Conversion of ethylene to ethylene glycol involves oxidation to ethylene oxide, followed by acid-catalyzed hydration (addition of water, to ethylene oxide. Ethylene glycol is soluble in water in all proportions. A major use of ethylene glycol is as automobile antifreeze.arrow_forward
- 13-10 Account for the fact that the six-membered ring in benzene is planar but the six-membered ring in cyclohexane is not.arrow_forwardDraw the structural formula of an alkene that undergoes acid-catalyzed hydration to give each of the following alcohols as the major product. More than one alkene may give each compound as the major productarrow_forward14-78 Consider alkenes A, B, and C. each of which has the same molecular formula, C(.H12. Alkenes B and C can each be separated into cis and trans isomers. Upon catalytic reduction using H,, in the presence of a transition metal catalyst (Ni, Pd, or Pt>, alkenes A, B, and C all give hexane as the only product. Acid- catalyzed hydration of alkene C gives one alcohol with the molecular formula CeH14O. Acid catalyzed- hydration of alkene B gives an equal mixture of two alcohols, each with the molecular formula C6H14O. Acid-catalyzed hydration of alkene C gives only a single alcohol with the molecular formula C6H14O. Propose structural formulas for alkenes A, B, and C and the alcohols formed by acid-catalyzed hydration of each, consistent with these experimental results.arrow_forward
- 13-15 Draw structural formulas for these compounds l-Bromo-2-chloro-4-ethylbenzene 4-Bromo-l,2-dimethylbenzene 2,4,6-Trinitrotoluene 4-Phenyl-l-pentene p-Cresol (D 2,4-Dichlorophenolarrow_forward13-20 Three products with the molecular formula CgH^BrCl form when bromobenzene is treated with chlorine, Cl2, in the presence of FeCl3 as a catalyst. Name and draw a structural formula for each product.arrow_forward13-19 Suppose you have unlabeled bottles of benzene and cyclohexene. What chemical reaction could you use to tell which bottle contains which chemical? Explain what you would do, what you would expect to see, and how you would explain your observations. Write an equation for a positive test.arrow_forward
- Following is the structural formula of hexabromocyclododecane. This compound was at one time used as a flame retardant in polystyrene foam insulation in buildings, but has now been banned because it had been shown to be toxic to aquatic organisms, and can disrupt thyroid hormone levels in laboratory test animals. In addition, it persists in the environment. Show how this flame retardant could be synthesized from a cycloalkatriene and write the structural formula and IUPAC name of this starting material. Br Hexabromocyclododecanearrow_forward13-52 2,6-Di-/ezY-butyl-4-methylphenol (BHT, Section 13-4C) is an antioxidant added to processed foods to “retard spoilage.” How does BHT accomplish this goal?arrow_forward13-25 Answer true or false. (a) Phenols and alcohols have in common the presence of an —OH group. Phenols are weak acids and react with strong bases to give water-soluble salts. The pK„ of phenol is smaller than that of acetic acid. Autoxidation converts an R—H group to an R—OH group. A carbon radical has only seven electrons in the valence shell of one of its carbons, and this carbon bears a positive charge. (f, A characteristic of a chain initiation step is conversion of a nonradical to a radical. Autoxidation is a radical-chain reaction. A characteristic of the chain propagation step is reaction of a radical and a molecule to form a new radical and a new molecule. Vitamin E and other natural antioxidants function by interrupting the cycle of chain propagation steps that occurs in autoxidation.arrow_forward
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