What is the structure of C8H10O2? ( If the following information is given, please show the steps. ) ### NMR Spectroscopy Analysis#### ¹H NMR Spectrum- **Chemical Shifts (PPM)** - **Singlet at 3H**: Appears around 3.5-4.0 ppm. This indicates the presence of a group of hydrogen atoms (3 protons) in a chemically equivalent environment that do not couple with neighboring protons. - **Multiplets**: Two signals, each corresponding to 1H, are observed around 6.5-7.5 ppm. Multiplets suggest complex splitting due to neighboring protons, typical for aromatic protons.#### ¹³C NMR Spectrum- **Chemical Shifts (PPM)** - Signals are distributed across the spectrum, with notable peaks around: - 160 ppm - 130 ppm - 115 ppm - 80 ppm - These shifts indicate different carbon environments, including sp² and sp³ hybridized carbons. The range is typical for aromatic carbons and aliphatic carbons.### Interpretation- **¹H NMR**: - The singlet suggests isolated hydrogens, often found in non-aromatic groups. - Multiplets in the aromatic region indicate hydrogens in a benzenoid or aromatic structure.- **¹³C NMR**: - Peaks in the lower ppm (20-80 ppm) suggest aliphatic carbons. - Peaks in the higher ppm (100-160 ppm) are characteristic of aromatic or olefinic carbons.Understanding these spectra helps deduce the molecular structure and environment of hydrogen and carbon atoms within a compound. This analysis is crucial for identifying and characterizing organic molecules. **Infrared Spectrum Analysis**The graph shown is an infrared (IR) spectrum with the following features:- **Title:** "Infrared Spectrum"- **Axes:** - *X-axis:* Labeled as "Wavenumber (cm⁻¹)," ranging from approximately 400 to 3500 cm⁻¹ from right to left. The wavenumber is a measure of frequency in the context of IR spectroscopy, indicating energy levels. - *Y-axis:* Labeled as "Relative Transmittance," ranging from 0 to 1. Relative transmittance indicates the amount of infrared light passing through a sample compared to the incoming light without a sample. - **Plot Details:** - The graph displays a red line representing how much light is transmitted at each wavenumber. Peaks and valleys correspond to different functional groups in a compound. - Some prominent dips are seen around wavenumbers approximately 700, 1000, 1500, 2000, and 3000 cm⁻¹, which usually correspond to various molecular vibrations and bond types in the sample.This type of spectrum is critical in identifying molecular structures, as different bonds and functional groups absorb IR light at characteristic frequencies. Users can interpret such data to understand the composition of a compound.

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Answered: 1Η NMR singlet, зн multiplet,…

1Η NMR singlet, зн multiplet, multiplet, 1H 1H 4 PPM 13C NMR 160 140 120 100 80 PPM 60 20 40 -6

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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