please answer this IR spec! It is not carboxyllic acid! ### Infrared Spectroscopy (IR) Analysis**Graph Description:**This image depicts an infrared (IR) spectrum graph, which is commonly used to identify and study chemical substances. The graph shows the transmittance (%T) on the y-axis and the wavenumber (cm⁻¹) on the x-axis, ranging from 4000 to 500 cm⁻¹.**Key Points on the Graph:**- **Peak at 2958.19 cm⁻¹**: This peak may indicate the presence of C–H stretching in alkanes. - **Peak at 2931.95 cm⁻¹**: Another peak indicating C–H stretching, likely in CH3 or CH2 groups.- **Peak at 2860.36 cm⁻¹**: Could represent symmetric stretching of methylene (–CH2) groups.- **Peak at 2673.42 cm⁻¹**: This area can show C–H stretching of aldehyde groups.- **Peak at 1713.83 cm⁻¹**: Typically associated with C=O stretching, indicative of ketones, esters, or carboxylic acids.- **Peak at 1457.47 cm⁻¹ and 1413.65 cm⁻¹**: These peaks likely represent C–H bending vibrations in alkanes.- **Peak at 1284.97 cm⁻¹ and 1239.33 cm⁻¹**: These are often due to C–N stretching in amines or C–O stretching in alcohols and ethers.- **Peak at 1107.34 cm⁻¹**: This may indicate C–O stretching or C–N stretching.- **Peak at 938.56 cm⁻¹**: Could suggest out-of-plane bending in aromatic compounds.**Educational Insight:**IR spectroscopy is a powerful technique in organic chemistry for functional group identification. Each peak in the IR spectrum corresponds to specific molecular vibrations, providing insights into the molecular structure. Understanding these peaks helps in identifying the types of bonds and functional groups present in a compound.

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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 answer this IR spec! It is not carboxyllic acid!

### Infrared Spectroscopy (IR) Analysis

**Graph Description:**

This image depicts an infrared (IR) spectrum graph, which is commonly used to identify and study chemical substances. The graph shows the transmittance (%T) on the y-axis and the wavenumber (cm⁻¹) on the x-axis, ranging from 4000 to 500 cm⁻¹.

**Key Points on the Graph:**

- **Peak at 2958.19 cm⁻¹**: This peak may indicate the presence of C–H stretching in alkanes.

- **Peak at 2931.95 cm⁻¹**: Another peak indicating C–H stretching, likely in CH3 or CH2 groups.

- **Peak at 2860.36 cm⁻¹**: Could represent symmetric stretching of methylene (–CH2) groups.

- **Peak at 2673.42 cm⁻¹**: This area can show C–H stretching of aldehyde groups.

- **Peak at 1713.83 cm⁻¹**: Typically associated with C=O stretching, indicative of ketones, esters, or carboxylic acids.

- **Peak at 1457.47 cm⁻¹ and 1413.65 cm⁻¹**: These peaks likely represent C–H bending vibrations in alkanes.

- **Peak at 1284.97 cm⁻¹ and 1239.33 cm⁻¹**: These are often due to C–N stretching in amines or C–O stretching in alcohols and ethers.

- **Peak at 1107.34 cm⁻¹**: This may indicate C–O stretching or C–N stretching.

- **Peak at 938.56 cm⁻¹**: Could suggest out-of-plane bending in aromatic compounds.

**Educational Insight:**

IR spectroscopy is a powerful technique in organic chemistry for functional group identification. Each peak in the IR spectrum corresponds to specific molecular vibrations, providing insights into the molecular structure. Understanding these peaks helps in identifying the types of bonds and functional groups present in a compound.

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Expert Solution

Step 1 Identification of characteristic IR peaks

1. Pair of weak bands at 2958.19 cm-1 and 2931.95 cm-1

2. One peak at 2860.66 cm-1

3. One peak at 2673.42 cm-1

3. One strong peak at 1713.83 cm-1

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