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15. Analytical Techniques:IR, NMR, Mass Spect

NMR Practice

15. Analytical Techniques:IR, NMR, Mass Spect

NMR Practice

Multiple Choice
Which of the following structures would give the following ¹H NMR spectrum?0.93 ppm (s, 9H), 2.13 ppm (d, 2H), 9.85 ppm (t, 1H)
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Multiple Choice
In the context of $1^{H}$ NMR spectroscopy, into how many peaks will each proton shown in red be split if it has two equivalent neighboring protons?
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Multiple Choice
A ¹H NMR spectrum has a singlet at 4.1 ppm with an integration of 2H. How many hydrogen atoms are on the neighboring carbon atom?
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Open Question
Draw the approximate positions that the following compound might show in its 1H NMR absorptions?
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Open Question
Draw the approximate positions that the following compound might show in its 1H NMR absorptions?
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6
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Multiple Choice
A ¹H NMR spectrum contains a quartet at 4.1 ppm integrating to 2H and triplet at 0.9 ppm integrating to 3H, among other signals. What fragment is likely part of this molecule?
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