7. Given the spectral data included in this problem and that the molecular formula is CeH:O, determine the IR spectrum for unknown. most likely structure using your understanding of carboxylic acid properties and spectroscopy, Show allof your work for partial eredit, including: a.) labeling the IR spectrum with the relevant bond stretches, b.) indicating the relevant mass spectrum molecular ion and any relevant fragments, c.) providing a legible structure of the final product and name the compound. 100 - --24 80 - 60- 12 10 14 1H-NMR spectrum for unknown (integrations and number of signals included below). 40- Assign. Shift(ppm) A 12.1 20 - B 2.766 *1 1.91 *1 1.84 1.716 1.597 *2 25 50 75 100 125 150 175 F *2 m/z Mass spectrum for unknown. 200 140 120 100 20 C-NMR of unknown (no overlapping peaks)

7. Given the spectral data included in this problem and that the molecular formula is CeH:O, determine the IR spectrum for unknown. most likely structure using your understanding of carboxylic acid properties and spectroscopy, Show allof your work for partial eredit, including: a.) labeling the IR spectrum with the relevant bond stretches, b.) indicating the relevant mass spectrum molecular ion and any relevant fragments, c.) providing a legible structure of the final product and name the compound. 100 - --24 80 - 60- 12 10 14 1H-NMR spectrum for unknown (integrations and number of signals included below). 40- Assign. Shift(ppm) A 12.1 20 - B 2.766 1 1.91 1 1.84 1.716 1.597 2 25 50 75 100 125 150 175 F 2 m/z Mass spectrum for unknown. 200 140 120 100 20 C-NMR of unknown (no overlapping peaks)

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL4: Proton (1h) Nmr Spectroscopy

Section: Chapter Questions

Problem 12CTQ

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