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CHEM205 Final Exam - Spectroscopy
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MCQs on the introduction of the theory, instrumentation, application of spectroscopic techniques. Topics include mass spectrometry, ultraviolet-visible (UV-Vis) spectroscopy, infrared (IR) spectroscopy, and nuclear magnetic resonance (NMR) spectroscopy.
 

CHEM205 Final Exam - Spectroscopy
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25 Questions

1. What structural information does 1H-NMR spectroscopy NOT provide? 
2. Identify this compound.
3. Distortionless Enhancement by Polarization Transfer (DEPT) would allow which of the following NMR peaks to be distinguished from one another?
4. Nuclei with even masses and odd numbers of protons and neutrons
5. Hooke's law dictates that the IR stretching frequencies are dependent on
6. Identify this compound.
7. Due to structural stability, the molecular ion peaks are strong in mass spectra of
8. Ethers, esters, and alcohols all contain C-O stretching bands. How can an ether be distinguished from the other two compounds?
9. Why is inductively coupled plasma (ICP) typically only used as an ionization method for elemental analysis?
10. The Woodward-Fieser Rules for conjugated carbonyl compounds
11. The molecular ion for peak in a spectrum of iso-butane
12. The stretching frequency of which functional group would be most useful in the detection of metal ligand complexes?
13. Which of the following would be a poor choice as a proton NMR solvent?
14. Which of the following regions would be most useful in determining the substitution patterns of an alkene?
15. Fast atom bombardment (FAB) and secondary ion mass spectrometry (SIMS) are useful techniques for
16. Which of the following would result in a hypsochromic shift in the UV spectra?
17. When analyzing a sample by UV-Vis spectroscopy, if the signal to noise ratio is too low, the results may not be reliable. All of the following are ways to counter this, except:
18. Which of the following is true about sector mass analyzers?
19. The aromatic overtone/combination bands (occurring between 2000 and 1667 cm-1) can be useful in determining
20. Which of the following sample cells should be used if you wish to measure a carbonyl transition around 300 nm?
21. Keeping all other variables the same, as bond strength decreases,
22. Which of the following describes the correct relationship between absorbance and transmission?
23. In order for an IR vibration to be allowed, what condition must be met?
24. If a proton is more 'shielded' it will appear 
25. Identify this compound.

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