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3H C3H1002 2H 4H 5 1 PPM

3H C3H1002 2H 4H 5 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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please help explain in detail the spec 

The image displays a Proton Nuclear Magnetic Resonance (¹H NMR) spectrum for a compound with the molecular formula C₈H₁₀O₂. This spectrum provides detailed information about the hydrogen atoms present in the molecule. ### Graph Description: - **X-axis (Chemical Shift, δ):** The chemical shift is expressed in parts per million (PPM). This axis ranges from 0 to 7 PPM, indicating the environment of the hydrogen atoms in the molecule. - **Y-axis (Intensity):** This axis represents the intensity of the signals, which relates to the number of hydrogen atoms contributing to each peak. ### Peak Analysis: 1. **Chemical Shift at 6.8 PPM (4H):** - This peak is a multiplet, indicating it arises from 4 hydrogen atoms. 2. **Chemical Shift at 4.5 PPM (2H):** - This peak is a doublet, indicating it arises from 2 hydrogen atoms. 3. **Chemical Shift at 3.8 PPM (3H):** - This peak is a singlet, indicating it arises from 3 hydrogen atoms. 4. **Chemical Shift at 1.3 PPM (1H):** - This peak is a singlet, indicating it arises from 1 hydrogen atom. ### Interpretation: The ¹H NMR spectrum indicates the number and types of hydrogen environments in the molecule. The splitting patterns (multiplet, doublet, singlet) and the integration (relative intensity) provide clues about the connectivity of the atoms in the molecule. ### Practical Application: Understanding the ¹H NMR spectrum is essential in structural elucidation of organic compounds, providing insight into their molecular architecture. This type of analysis is widely used in organic chemistry, pharmaceuticals, and materials science for verifying the identity and purity of chemical compounds.
Transcribed Image Text:The image displays a Proton Nuclear Magnetic Resonance (¹H NMR) spectrum for a compound with the molecular formula C₈H₁₀O₂. This spectrum provides detailed information about the hydrogen atoms present in the molecule. ### Graph Description: - **X-axis (Chemical Shift, δ):** The chemical shift is expressed in parts per million (PPM). This axis ranges from 0 to 7 PPM, indicating the environment of the hydrogen atoms in the molecule. - **Y-axis (Intensity):** This axis represents the intensity of the signals, which relates to the number of hydrogen atoms contributing to each peak. ### Peak Analysis: 1. **Chemical Shift at 6.8 PPM (4H):** - This peak is a multiplet, indicating it arises from 4 hydrogen atoms. 2. **Chemical Shift at 4.5 PPM (2H):** - This peak is a doublet, indicating it arises from 2 hydrogen atoms. 3. **Chemical Shift at 3.8 PPM (3H):** - This peak is a singlet, indicating it arises from 3 hydrogen atoms. 4. **Chemical Shift at 1.3 PPM (1H):** - This peak is a singlet, indicating it arises from 1 hydrogen atom. ### Interpretation: The ¹H NMR spectrum indicates the number and types of hydrogen environments in the molecule. The splitting patterns (multiplet, doublet, singlet) and the integration (relative intensity) provide clues about the connectivity of the atoms in the molecule. ### Practical Application: Understanding the ¹H NMR spectrum is essential in structural elucidation of organic compounds, providing insight into their molecular architecture. This type of analysis is widely used in organic chemistry, pharmaceuticals, and materials science for verifying the identity and purity of chemical compounds.
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