Answer Choices (Only pick one): 1-bromobutane 1-cyclopropylethan-1-one 1-ethyl-3-methylbenzene 1,2-dimethoxynenzene 2,3-dimethylbutan-2-ol 3-methylbutan-1-ol 3,3-dimethylbutan-2-one 4-benzylpiperidine 4-methoxybenzaldehyde acetic anhydride acetonitrile acetyl chloride anisole benzaldehyde benzoic acid benzophenone benzyl acetate bromobenzene cyclohex-2-en-1-one cyclohexanone cyclopent-2-en-1-one diethylamine dimethyl malonate ethyl 2-cyanoacetate ethynylbenzene heptanoic acid methyl propionate N-methylaniline N,N-dimethylformamide naphthalene nitrobenzene o-xylene octan-1-amine octan-1-ol p-cresol prop-2-en-1-ol propan-2-one propane-1,3-diol tetrahydrofuran toluene This image depicts an infrared (IR) spectroscopy graph, showcasing the transmittance (%) versus the wavenumber (cm⁻¹). IR spectroscopy is a technique employed to identify functional groups in molecules by examining how they absorb infrared light.### Key Components of the Graph:- **X-Axis (Wavenumber, cm⁻¹)**: Ranges from 4000 cm⁻¹ to 500 cm⁻¹. The wavenumber is inversely proportional to wavelength and directly proportional to energy. Higher wavenumbers correspond to higher energy vibrational modes. - **Y-Axis (% Transmittance)**: Varies from approximately 0% to 81%. Transmittance indicates the amount of light that passes through the sample, with lower values suggesting stronger absorption.### Important Peaks:1. **2896.14 cm⁻¹ and 2854.20 cm⁻¹**: These absorptions typically correspond to C-H stretching vibrations, often found in alkanes. 2. **1743.60 cm⁻¹**: This absorption is indicative of C=O stretching vibrations, which are characteristic of carbonyl groups like those in ketones, aldehydes, or esters. 3. **1437.56 cm⁻¹**: Possibly related to CH₂ bending vibrations, common in alkane chains.4. **1367.12 cm⁻¹**: This may correspond to C-H bending vibrations found in methyl groups.5. **1203.90 cm⁻¹**: Generally associated with C-O stretching in alcohols, ethers, or esters.### Understanding the Graph:The IR spectrum provides insights into the molecular structure by showcasing specific vibrational modes of bonds within the sample. Each peak signifies a specific type of bond or functional group, helping in the identification of the compound’s molecular composition.This graph could be used for educational purposes to demonstrate how IR spectrometry functions as a tool in identifying chemical compounds and their structure based on their vibrational transitions. **Title:** IR Spectra and Molecular Structure Identification**Instructions:**Assign the IR spectra given in Questions 1-3 to their corresponding structures from the options below.**Molecular Structures:**1. **Compound 1:** - Structure: CH₃CH₂CH=CHCH₂OH (Allylic alcohol) - Functional Groups: Alcohol (OH), Alkene (C=C)2. **Compound 2:** - Structure: CH₃C₆H₅ (Methylbenzene) - Functional Groups: Aromatic ring3. **Compound 3:** - Structure: CH₃CH₂CH₂CH₃ (Butane) - Functional Groups: Alkane (C-H)4. **Compound 4:** - Structure: CH₃C(=O)NH₂ (Acetamide) - Functional Groups: Amide (C=O, N-H)5. **Compound 5:** - Structure: C₆H₅CH₂CN (Benzyl cyanide) - Functional Groups: Nitrile (C≡N)6. **Compound 6:** - Structure: CH₃C(=O)OCH₃ (Methyl acetate) - Functional Groups: Ester (C=O, C-O)7. **Compound 7:** - Structure: HO(CH₂)₆OH (Hexanediol) - Functional Groups: Diol (2x OH)8. **Compound 8:** - Structure: C₆H₅C(=O)OH (Benzoic acid) - Functional Groups: Carboxylic acid (C=O, OH)9. **Compound 9:** - Structure: CH₃OCH₂C₆H₅ (Phenyl methyl ether) - Functional Groups: Ether (C-O-C)10. **Compound 10:** - Structure: CH₃(CH₂)₆OH (1-Octanol) - Functional Groups: Alcohol (OH)11. **Compound 11:** - Structure: CH₃(CH₂)₄Br (Bromohexane) - Functional Groups: Alkyl halide (C-Br)12. **Compound 12:** - Structure: CH₃

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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...