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8 7) Chemical Formula: C₂H₁N IR: weak peak at 3400cm 1 1H SH Unknowns for 1H NMR Final Report 6 16+2=18+1=19-11=8/2=4 NH2 HH H4 PRM 2H 72 3H *H 4-14 H H h+1=2 0

8 7) Chemical Formula: C₂H₁N IR: weak peak at 3400cm 1 1H SH Unknowns for 1H NMR Final Report 6 16+2=18+1=19-11=8/2=4 NH2 HH H4 PRM 2H 72 3H *H 4-14 H H h+1=2 0

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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**Unknowns for 1H NMR Final Report** **7) Chemical Formula: C₆H₁₁N** - **IR Spectroscopy:** Weak peak at 3400 cm⁻¹. **NMR Spectrum Analysis:** - **Graph Description:** - The spectrum shows peaks at different parts per million (PPM). - A peak at approximately 7.5 PPM indicates the presence of aromatic protons (labeled as 5H). - A peak at approximately 3.5 PPM indicates the presence of 2 protons adjacent to an amine group (NH₂). A hand-drawn structure suggests a CH₃-CH₂-NH₂ group. - A peak at approximately 1.2 PPM represents 3 aliphatic protons, typically indicative of a methyl group. **Handwritten Calculations and Notes:** - The equation "16 + 2 = 18 + 1 = 19 - 11 = 8 / 2 = 4" suggests a step-by-step mass balance or hydrogen count aligned with the spectrum interpretation. **8) Chemical Formula: C₈H₁₂O₄** - **IR Spectroscopy:** Strong peak at 1720 cm⁻¹, peak at 1650 cm⁻¹. **Handwritten Calculation:** - The note "8 x 2 = 16 + 2 = 18 - 12 = 6 / 2 = 3" possibly relates to structural deductions or hydrogen equivalence. This analysis provides insights into the structural determination of the unknown compound using 1H NMR spectroscopy alongside IR data.
Transcribed Image Text:**Unknowns for 1H NMR Final Report** **7) Chemical Formula: C₆H₁₁N** - **IR Spectroscopy:** Weak peak at 3400 cm⁻¹. **NMR Spectrum Analysis:** - **Graph Description:** - The spectrum shows peaks at different parts per million (PPM). - A peak at approximately 7.5 PPM indicates the presence of aromatic protons (labeled as 5H). - A peak at approximately 3.5 PPM indicates the presence of 2 protons adjacent to an amine group (NH₂). A hand-drawn structure suggests a CH₃-CH₂-NH₂ group. - A peak at approximately 1.2 PPM represents 3 aliphatic protons, typically indicative of a methyl group. **Handwritten Calculations and Notes:** - The equation "16 + 2 = 18 + 1 = 19 - 11 = 8 / 2 = 4" suggests a step-by-step mass balance or hydrogen count aligned with the spectrum interpretation. **8) Chemical Formula: C₈H₁₂O₄** - **IR Spectroscopy:** Strong peak at 1720 cm⁻¹, peak at 1650 cm⁻¹. **Handwritten Calculation:** - The note "8 x 2 = 16 + 2 = 18 - 12 = 6 / 2 = 3" possibly relates to structural deductions or hydrogen equivalence. This analysis provides insights into the structural determination of the unknown compound using 1H NMR spectroscopy alongside IR data.
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