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3500 3000 2500 2000 1500 1000 40 5,0 -3056.444.174 2959.5, 33.659 2873:8; 39,035 418 198898495460 1513 3:42.503 1464.837.992 1390.3; 42.790 443-44.861 4.218 -4066.0.41.551 028.7 976.6 43 127 834 9; 35.625 -749.2; 35.604 60 7,0

3500 3000 2500 2000 1500 1000 40 5,0 -3056.444.174 2959.5, 33.659 2873:8; 39,035 418 198898495460 1513 3:42.503 1464.837.992 1390.3; 42.790 443-44.861 4.218 -4066.0.41.551 028.7 976.6 43 127 834 9; 35.625 -749.2; 35.604 60 7,0

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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Given the IR spectrum for 2-Naphthyl-Butylether identify and label the peaks with the types of bonds. 

The image shows the chemical structure of "2-butoxynaphthalene." ### Structure Description: - **Naphthalene Ring**: At the core of the structure is the naphthalene moiety, which consists of two fused benzene rings. Each of these rings contains three alternating double bonds, making it a polycyclic aromatic hydrocarbon. - **Butoxy Group**: The naphthalene is substituted with a butoxy group (-O-C4H9). This consists of an ether link (oxygen atom, shown in red) attached to a butyl chain. The butyl chain is a four-carbon aliphatic sequence attached to the oxygen atom. ### Educational Context: This compound is an example of an aromatic ether, where an alkyl or aryl group (butyl in this case) is attached via an ether linkage to an aromatic system (naphthalene). Understanding this structure is important in studying organic chemistry and the classification and behavior of ethers and aromatic compounds.
Transcribed Image Text:The image shows the chemical structure of "2-butoxynaphthalene." ### Structure Description: - **Naphthalene Ring**: At the core of the structure is the naphthalene moiety, which consists of two fused benzene rings. Each of these rings contains three alternating double bonds, making it a polycyclic aromatic hydrocarbon. - **Butoxy Group**: The naphthalene is substituted with a butoxy group (-O-C4H9). This consists of an ether link (oxygen atom, shown in red) attached to a butyl chain. The butyl chain is a four-carbon aliphatic sequence attached to the oxygen atom. ### Educational Context: This compound is an example of an aromatic ether, where an alkyl or aryl group (butyl in this case) is attached via an ether linkage to an aromatic system (naphthalene). Understanding this structure is important in studying organic chemistry and the classification and behavior of ethers and aromatic compounds.
The image displays a Fourier-transform infrared (FTIR) spectrum, which is used to identify organic, polymeric, and in some cases, inorganic materials. The x-axis shows the wavenumber in cm⁻¹, ranging from 4000 to 500, while the y-axis indicates transmittance, ranging from 40% to 75%. ### Key Features of the FTIR Spectrum: 1. **Wavenumber Range**: - The spectrum covers a range from approximately 4000 cm⁻¹ to 500 cm⁻¹, which is typical for infrared spectroscopy. 2. **Peak Analysis**: - There are notable peaks at 2958.56 cm⁻¹, 2933.57 cm⁻¹, and 2870.38 cm⁻¹, which represent the vibrations of C-H bonds, commonly found in organic compounds. - A significant broad dip between 3600 cm⁻¹ and 3200 cm⁻¹ suggests the presence of O-H or N-H bonds, indicating alcohols, phenols, or amines. - Peaks around 1459.59 cm⁻¹ and 1361.52 cm⁻¹ may relate to bending vibrations of C-H in CH2 and CH3 groups. - The peaks at lower wavenumbers, such as 1060.47 cm⁻¹, may correspond to various C-O stretching vibrations. 3. **Transmittance**: - Higher transmittance around 70% indicates regions where fewer molecular bonds absorb infrared light. - Lower transmittance near major peaks shows stronger absorption by specific functional groups, helping identify the sample's molecular structure. This spectrum provides crucial information about the chemical composition and structure of the analyzed sample, often used in material science and chemistry for identification and characterization purposes.
Transcribed Image Text:The image displays a Fourier-transform infrared (FTIR) spectrum, which is used to identify organic, polymeric, and in some cases, inorganic materials. The x-axis shows the wavenumber in cm⁻¹, ranging from 4000 to 500, while the y-axis indicates transmittance, ranging from 40% to 75%. ### Key Features of the FTIR Spectrum: 1. **Wavenumber Range**: - The spectrum covers a range from approximately 4000 cm⁻¹ to 500 cm⁻¹, which is typical for infrared spectroscopy. 2. **Peak Analysis**: - There are notable peaks at 2958.56 cm⁻¹, 2933.57 cm⁻¹, and 2870.38 cm⁻¹, which represent the vibrations of C-H bonds, commonly found in organic compounds. - A significant broad dip between 3600 cm⁻¹ and 3200 cm⁻¹ suggests the presence of O-H or N-H bonds, indicating alcohols, phenols, or amines. - Peaks around 1459.59 cm⁻¹ and 1361.52 cm⁻¹ may relate to bending vibrations of C-H in CH2 and CH3 groups. - The peaks at lower wavenumbers, such as 1060.47 cm⁻¹, may correspond to various C-O stretching vibrations. 3. **Transmittance**: - Higher transmittance around 70% indicates regions where fewer molecular bonds absorb infrared light. - Lower transmittance near major peaks shows stronger absorption by specific functional groups, helping identify the sample's molecular structure. This spectrum provides crucial information about the chemical composition and structure of the analyzed sample, often used in material science and chemistry for identification and characterization purposes.
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The question is based on the concept of organic spectroscopy.

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