ACS Review 13 Spectroscopy

ACS Review 13 Spectroscopy - ACS Review Spectroscopy 1....

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ACS Review Spectroscopy 1. Which of the following has only a single peak in its proton NMR spectrum? A. only I B. only II C. I and II D. I, II, and III 2. A compound is either cyclononane or cyclodecane. Which of the following is the most useful technique in identifying the compound? A. IR spectroscopy B. mass spectrometry C. proton NMR D. C-13 NMR 3. Which of the following gives the furthest downfield shift from TMS in its proton NMR spectrum? A. (CH 3 ) 4 C B. (CH 3 ) 3 N C. (CH 3 ) 2 O D. CH 3 F 4. Which of the following gives the furthest downfield shift from TMS in its proton NMR spectrum? A. CCl 4 B. CHCl 3 C. CH 2 Cl 2 D. CH 3 Cl 5. How many different sets of equivalent protons are there for para -xylene (1,4-dimethylbenzene)? A. only 1 B. two C. three D. four 6. How many different sets of equivalent protons are there in the following compound? A. three B. four C. five D. six 7. What is the multiplicity of the methylene hydrogens indicated in the proton NMR of the following compound?
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A. doublet B. triplet C. quartet D. pentet 8. What is the multiplicity of the methylene hydrogens indicated in the proton NMR of the following compound? A. singlet B. doublet C. triplet D. quartet 9. What are the approximate intensities of the four lines in the quartet from the proton NMR of diethyl ether, (CH 3 CH 2 ) 2 O? (Assume distortion of the quartet is minimal.) A. 1:1:1:1 B. 1:2:2:1 C. 2:3:3:2 D. 1:4:4:1 10. Which compound below fits the following proton NMR data?
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ACS Review 13 Spectroscopy - ACS Review Spectroscopy 1....

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