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Signal b in the spectrum for 2-ethoxyethyl acetate ( comes from the Hs connected to: O C4 O C1 C3 C2 C5 U PPM 6113₂ C3 CA C5

Signal b in the spectrum for 2-ethoxyethyl acetate ( comes from the Hs connected to: O C4 O C1 C3 C2 C5 U PPM 6113₂ C3 CA C5

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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### Understanding the NMR Spectrum of 2-Ethoxyethyl Acetate **Chemical Structure:** The chemical structure of 2-ethoxyethyl acetate is represented as follows: ``` O || C1 - C2 - O - C3 - C4 - O - C5 ``` ### NMR Spectrum Analysis: **Interpretation:** In the given NMR spectrum of 2-ethoxyethyl acetate, the signals labeled as 'a', 'b', 'c', 'd', and 'e' indicate different hydrogen environments. The goal is to identify which carbon atom the hydrogen atoms associated with signal 'b' are connected to. **Detailed Breakdown of the NMR Spectrum:** 1. **Horizontal Axis (PPM)** - The x-axis of the spectrum is labeled as PPM (parts per million), which reflects the chemical shift values. - Chemical shifts help to determine the environment of hydrogen atoms in the molecule. 2. **Signals (a, b, c, d, e)** - The spectrum displays various peaks labeled from 'a' to 'e'. - Each signal corresponds to hydrogen atoms in different environments within the molecule. 3. **Identifying Signal 'b'** - Signal 'b' in the spectrum corresponds to hydrogen atoms in a specific location within the molecule. - To identify the source of signal 'b', we need to analyze the shape, position, and splitting patterns of the peak. ### Question: **Signal b in the spectrum for 2-ethoxyethyl acetate comes from the Hs connected to:** - O C4 - O **C1** - O C3 - O C2 - O C5 ### Answer: The correct answer is **C1**. The hydrogens connected to carbon atom C1 are responsible for the signal labeled 'b' in the NMR spectrum. Understanding the context and composition of the molecule allows us to interpret which hydrogen environments correspond to specific NMR signals. Analyzing these signals helps in understanding the structure and functional groups present in the compound.
Transcribed Image Text:### Understanding the NMR Spectrum of 2-Ethoxyethyl Acetate **Chemical Structure:** The chemical structure of 2-ethoxyethyl acetate is represented as follows: ``` O || C1 - C2 - O - C3 - C4 - O - C5 ``` ### NMR Spectrum Analysis: **Interpretation:** In the given NMR spectrum of 2-ethoxyethyl acetate, the signals labeled as 'a', 'b', 'c', 'd', and 'e' indicate different hydrogen environments. The goal is to identify which carbon atom the hydrogen atoms associated with signal 'b' are connected to. **Detailed Breakdown of the NMR Spectrum:** 1. **Horizontal Axis (PPM)** - The x-axis of the spectrum is labeled as PPM (parts per million), which reflects the chemical shift values. - Chemical shifts help to determine the environment of hydrogen atoms in the molecule. 2. **Signals (a, b, c, d, e)** - The spectrum displays various peaks labeled from 'a' to 'e'. - Each signal corresponds to hydrogen atoms in different environments within the molecule. 3. **Identifying Signal 'b'** - Signal 'b' in the spectrum corresponds to hydrogen atoms in a specific location within the molecule. - To identify the source of signal 'b', we need to analyze the shape, position, and splitting patterns of the peak. ### Question: **Signal b in the spectrum for 2-ethoxyethyl acetate comes from the Hs connected to:** - O C4 - O **C1** - O C3 - O C2 - O C5 ### Answer: The correct answer is **C1**. The hydrogens connected to carbon atom C1 are responsible for the signal labeled 'b' in the NMR spectrum. Understanding the context and composition of the molecule allows us to interpret which hydrogen environments correspond to specific NMR signals. Analyzing these signals helps in understanding the structure and functional groups present in the compound.
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