### Identifying a Compound Using 1H NMR SpectrumA compound has the \(^1H\) NMR spectrum shown below. Identify the compound.#### NMR Spectrum AnalysisThe provided spectrum has a single peak at approximately 2.0 ppm.#### Spectrum Details:- **Horizontal Axis (ppm scale)**: The chemical shift values range from 0 to 10 ppm.- **Vertical Axis (Relative Intensity)**: Represents the intensity of the signal at different chemical shifts.The sharp, single peak at 2.0 ppm indicates the presence of hydrogen atoms in the same electronic environment.#### Possible Compounds:1. **CH₃CN (Acetonitrile)**2. **CH₂Cl₂ (Dichloromethane)**3. **Benzene**4. **CHCl₃ (Chloroform)**#### Conclusion:Examining the NMR spectrum and the chemical shift at 2.0 ppm, which is characteristic of a methyl group adjacent to a nitrile group (CH₃CN), we can identify the compound as \( \text{CH}_3\text{CN} \) (Acetonitrile).This analysis demonstrates the utility of \(^1H\) NMR spectroscopy in determining molecular structure through chemical shift analysis and peak interpretation.

Electronegative atoms can have a significant impact on the chemical shift values observed in NMR…

Answered: 9 8 OCH3CN O CH₂Cl₂ °Ō OCHCI3 VL 7 16 5…

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9 8 OCH3CN O CH₂Cl₂ °Ō OCHCI3 VL 7 16 5 4 3 2 1 O

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

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Question

### Identifying a Compound Using 1H NMR Spectrum

A compound has the \(^1H\) NMR spectrum shown below. Identify the compound.

#### NMR Spectrum Analysis

The provided spectrum has a single peak at approximately 2.0 ppm.

#### Spectrum Details:

- **Horizontal Axis (ppm scale)**: The chemical shift values range from 0 to 10 ppm.
- **Vertical Axis (Relative Intensity)**: Represents the intensity of the signal at different chemical shifts.

The sharp, single peak at 2.0 ppm indicates the presence of hydrogen atoms in the same electronic environment.

#### Possible Compounds:

1. **CH₃CN (Acetonitrile)**
2. **CH₂Cl₂ (Dichloromethane)**
3. **Benzene**
4. **CHCl₃ (Chloroform)**

#### Conclusion:

Examining the NMR spectrum and the chemical shift at 2.0 ppm, which is characteristic of a methyl group adjacent to a nitrile group (CH₃CN), we can identify the compound as \( \text{CH}_3\text{CN} \) (Acetonitrile).

This analysis demonstrates the utility of \(^1H\) NMR spectroscopy in determining molecular structure through chemical shift analysis and peak interpretation.

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