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Structure C Chemical Formula: C,H,O, 3H S 3H 2H Q 4 3 2 1 PPM

Structure C Chemical Formula: C,H,O, 3H S 3H 2H Q 4 3 2 1 PPM

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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Use the HNMR spectra shown here to determine the structural formula for the unknown cited below. Begin by calculating the degree of unsaturation for the compound. This will help you determine the total number of pi bonds plus rings that are possible for the structure. The table of chemical shift values are provided.
abon that is attached to two carbons) in a similar environment. Similarly, the chemical cqpency than the chemical shift of methylene protons (hydrogens attached to an sp The Characteristic Values of Che Approximate Values of Chemical Shifts for 'H NMR Table 14.1 Approximate chemical shift (ppm) Approximate chemical shift e Type of proton Type of proton (ppm) -CH3 0.85 H- 2.5-4 -CH2- 1.20 Br-C-H 2.5-4 CH- the 1.55 Cl-C-H 3-4 the pro- T the ccurs odine -C=C-CH3 F-C-H 1.7 4-4.5 -C-CH3 2.1 R-NH, Variable, 1.5-4 CH,I R-OH Variable, 2-5 -CH3 2.3 20 ppm OH Variable, 4-7 -C=C-H 2.4 6.5-8 R-0-CH3 3.3 9.0-10 R-C=CH2 4.7 R -C-OH Variable, 10-12 R-C=C-H 5.3 R R -C-NH2 Variable, 5-8 The values are Hokimate because they are affected by neighboring substituents. AR spectrum her the kinds mol- Own in Table t of methylon than is the chemical shift of methyl hon) in a similar
Transcribed Image Text:abon that is attached to two carbons) in a similar environment. Similarly, the chemical cqpency than the chemical shift of methylene protons (hydrogens attached to an sp The Characteristic Values of Che Approximate Values of Chemical Shifts for 'H NMR Table 14.1 Approximate chemical shift (ppm) Approximate chemical shift e Type of proton Type of proton (ppm) -CH3 0.85 H- 2.5-4 -CH2- 1.20 Br-C-H 2.5-4 CH- the 1.55 Cl-C-H 3-4 the pro- T the ccurs odine -C=C-CH3 F-C-H 1.7 4-4.5 -C-CH3 2.1 R-NH, Variable, 1.5-4 CH,I R-OH Variable, 2-5 -CH3 2.3 20 ppm OH Variable, 4-7 -C=C-H 2.4 6.5-8 R-0-CH3 3.3 9.0-10 R-C=CH2 4.7 R -C-OH Variable, 10-12 R-C=C-H 5.3 R R -C-NH2 Variable, 5-8 The values are Hokimate because they are affected by neighboring substituents. AR spectrum her the kinds mol- Own in Table t of methylon than is the chemical shift of methyl hon) in a similar
Structure C Chemical Formula: C4H;O2 3H S 3H T 2H 4 3 1 PPM 2. LO
Transcribed Image Text:Structure C Chemical Formula: C4H;O2 3H S 3H T 2H 4 3 1 PPM 2. LO
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