Draw the structure of C4H8O2. Indicate which carbon atoms correspond to which signal in the C NMR spectrum/chart This image is a spectrum graph typically found in Nuclear Magnetic Resonance (NMR) spectroscopy, displaying chemical shifts on the x-axis measured in parts per million (PPM). The range spans from 0 to 180 PPM.### Key Elements of the Spectrum:- **X-Axis (PPM)**: Represents the chemical shift in parts per million. The scale is labeled in decreasing order from left (180 PPM) to right (0 PPM). - **Peaks**: Vertical lines indicate resonance signals corresponding to different atomic environments within a molecule. - A prominent peak is noticeable around 180 PPM. - Another significant peak appears around 60 PPM. - Two peaks are also present near 20 PPM.### Explanation:- **NMR Spectroscopy**: In this context, the spectrum is used to determine the structure of a compound by identifying unique chemical environments of atoms, usually hydrogen (¹H) or carbon (¹³C). - **Chemical Shifts**: These are influenced by the electronic environment surrounding a nucleus. The position and intensity of the peaks help to decipher molecular structure and composition. This graph is essential for students and researchers in chemistry and biochemistry for analyzing molecular structures and understanding chemical dynamics. ### Chemical Shift TableThis table displays the chemical shift values in parts per million (ppm) for four different signals:- **Signal 1:** 17 ppm Chemical shift- **Signal 2:** 20 ppm Chemical shift- **Signal 3:** 60 ppm Chemical shift- **Signal 4:** 170 ppm Chemical shiftThese values are essential for analyzing and interpreting data in nuclear magnetic resonance (NMR) spectroscopy, aiding in the identification of various chemical compounds based on their unique shifts.

Note : Ethyl acetate is the compound. 4 signals observed in the 13C NMR of ethyl acetate.

Answered: Draw the structure of C4H8O2. Indicate…

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Draw the structure of C4H8O2. Indicate which carbon atoms correspond to which signal in the C NMR spectrum/chart

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL4: Proton (1h) Nmr Spectroscopy

Section: Chapter Questions

Problem 4CTQ

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Concept explainers

NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.

Question

Draw the structure of C4H8O2. Indicate which carbon atoms correspond to which signal in the C NMR spectrum/chart

This image is a spectrum graph typically found in Nuclear Magnetic Resonance (NMR) spectroscopy, displaying chemical shifts on the x-axis measured in parts per million (PPM). The range spans from 0 to 180 PPM.

### Key Elements of the Spectrum:

- **X-Axis (PPM)**: Represents the chemical shift in parts per million. The scale is labeled in decreasing order from left (180 PPM) to right (0 PPM).

- **Peaks**: Vertical lines indicate resonance signals corresponding to different atomic environments within a molecule.

- A prominent peak is noticeable around 180 PPM.
- Another significant peak appears around 60 PPM.
- Two peaks are also present near 20 PPM.

### Explanation:

- **NMR Spectroscopy**: In this context, the spectrum is used to determine the structure of a compound by identifying unique chemical environments of atoms, usually hydrogen (¹H) or carbon (¹³C).

- **Chemical Shifts**: These are influenced by the electronic environment surrounding a nucleus. The position and intensity of the peaks help to decipher molecular structure and composition.

This graph is essential for students and researchers in chemistry and biochemistry for analyzing molecular structures and understanding chemical dynamics.

### Chemical Shift Table

This table displays the chemical shift values in parts per million (ppm) for four different signals:

- **Signal 1:** 17 ppm Chemical shift
- **Signal 2:** 20 ppm Chemical shift
- **Signal 3:** 60 ppm Chemical shift
- **Signal 4:** 170 ppm Chemical shift

These values are essential for analyzing and interpreting data in nuclear magnetic resonance (NMR) spectroscopy, aiding in the identification of various chemical compounds based on their unique shifts.

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