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Exam 13: Structure Determination

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Exam 1: Structure and Bonding:acids and Bases40 Questionsadd course
Exam 2: Alkanes: The Nature of Organic Compounds47 Questionsadd course
Exam 3: Alkenes and Alkynes: the Nature of Organic Reactions37 Questionsadd course
Exam 4: Reactions of Alkenes and Alkynes44 Questionsadd course
Exam 5: Aromatic Compounds51 Questionsadd course
Exam 6: Sterechemistry at Tetrahedral Centers35 Questionsadd course
Exam 7: Organohalides: Nucleophilic Substitutions and Eliminations49 Questionsadd course
Exam 8: Alcohols, Phenols, Ethers, and Their Sulfur Analogs39 Questionsadd course
Exam 9: Aldehydes and Ketones: Nucleophilic Addition Reactions32 Questionsadd course
Exam 10: Carboxylic Acids and Derivatives: Nucleophilic Acyl Substitution Reactions66 Questionsadd course
Exam 11: Carbonyl Alpha-Substitution Reactions and Condensation Reactions37 Questionsadd course
Exam 12: Amines31 Questionsadd course
Exam 13: Structure Determination64 Questionsadd course
Exam 14: Biomolecules: Carbohydrates41 Questionsadd course
Exam 15: Biomolecules: Amino Acids, Peptides, and Proteins43 Questionsadd course
Exam 16: Biomolecules: Lipids and Nucleic Acids37 Questionsadd course
Exam 17: The Organic Chemistry of Metabolic Pathways35 Questionsadd course
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Which of the following compounds would show the longest wavelength lmax in its UV spectrum? a.Which of the following compounds would show the longest wavelength l<sub>max</sub> in its UV spectrum? a. b. c. d. b.Which of the following compounds would show the longest wavelength l<sub>max</sub> in its UV spectrum? a. b. c. d. c.Which of the following compounds would show the longest wavelength l<sub>max</sub> in its UV spectrum? a. b. c. d. d.Which of the following compounds would show the longest wavelength l<sub>max</sub> in its UV spectrum? a. b. c. d.

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Question 61

What are the units for electromagnetic radiation used in infrared spectroscopy?

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Question 62

Which type of spectroscopy (IR, UV, or MS) will best distinguish between the pair of compounds below? Give a brief reason. Which type of spectroscopy (IR, UV, or MS) will best distinguish between the pair of compounds below? Give a brief reason.

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Question 63

Below is the mass spectrum of an unknown hydrocarbon. In addition, this hydrocarbon shows characteristic absorption at 2100 cm-1 in its IR spectrum. Give the structure of this unknown. Below is the mass spectrum of an unknown hydrocarbon. In addition, this hydrocarbon shows characteristic absorption at 2100 cm<sup>-1</sup> in its IR spectrum. Give the structure of this unknown. (Spectrum obtained from: SDBSWeb: http://www.aist.go.jp/RIODB/SDBS/) The formula weight of 54 corresponds to a molecular formula of C<sub>4</sub>H<sub>6</sub>, which has two degrees of unsaturation. Possible structures for this formula are: (Spectrum obtained from: SDBSWeb: http://www.aist.go.jp/RIODB/SDBS/) The formula weight of 54 corresponds to a molecular formula of C4H6, which has two degrees of unsaturation. Possible structures for this formula are:

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