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Using the list of commonly encountered patterns, fill in the blank with a likely structure. Write your answers in the space below as a), b), c) and d). 8-2.15 ppm (quint, 2 H) a). 8=2.75 ppm (t, 2H) b) 8-3.88 ppm (t, 2H) c) 8=7.22 ppm (m, 5H) d)

Using the list of commonly encountered patterns, fill in the blank with a likely structure. Write your answers in the space below as a), b), c) and d). 8-2.15 ppm (quint, 2 H) a). 8=2.75 ppm (t, 2H) b) 8-3.88 ppm (t, 2H) c) 8=7.22 ppm (m, 5H) d)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The following list shows \( ^1 \text{H} \)-NMR patterns for commonly encountered fragments. Knowing this list can aid you greatly when doing problems: - **2H = often a methylene group** - **3H = often a methyl group** - **4H = often two equivalent methylene groups** - **6H = often two equivalent methyl groups** - **9H = often three equivalent methyl groups** - **Triplet, 2H + quartet, 3H = ethyl group** - **Triplet, 2H + triplet, 2H = two successive methylene groups** - **Doublet, 6H + septet, 1H = isopropyl group** - **Singlet, 9H = *t*-butyl group** - **Multiplet, 5H, 6.5–8 ppm often a monosubstituted benzene ring** - **Multiplet, 4H, 6.5–8 ppm often a disubstituted benzene ring**
Transcribed Image Text:The following list shows \( ^1 \text{H} \)-NMR patterns for commonly encountered fragments. Knowing this list can aid you greatly when doing problems: - **2H = often a methylene group** - **3H = often a methyl group** - **4H = often two equivalent methylene groups** - **6H = often two equivalent methyl groups** - **9H = often three equivalent methyl groups** - **Triplet, 2H + quartet, 3H = ethyl group** - **Triplet, 2H + triplet, 2H = two successive methylene groups** - **Doublet, 6H + septet, 1H = isopropyl group** - **Singlet, 9H = *t*-butyl group** - **Multiplet, 5H, 6.5–8 ppm often a monosubstituted benzene ring** - **Multiplet, 4H, 6.5–8 ppm often a disubstituted benzene ring**
Using the list of commonly encountered patterns, fill in the blank with a likely structure. Write your answers in the space below as a), b), c) and d). δ=2.15 ppm (quint, 2 H) a) ___________________ δ=2.75 ppm (t, 2 H) b) ___________________ δ=3.88 ppm (t, 2 H) c) ___________________ δ=7.22 ppm (m, 5 H) d) ___________________
Transcribed Image Text:Using the list of commonly encountered patterns, fill in the blank with a likely structure. Write your answers in the space below as a), b), c) and d). δ=2.15 ppm (quint, 2 H) a) ___________________ δ=2.75 ppm (t, 2 H) b) ___________________ δ=3.88 ppm (t, 2 H) c) ___________________ δ=7.22 ppm (m, 5 H) d) ___________________
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