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Consider the Fourier Transform Infrared (FTIR) spectrum of an unknown liquid sample that was recorded in a controlled environment using an ATR (Attenuated Total Reflectance) accessory without any further preparation and is presented in Figure 2. Transmitance 1.2 1.0 0.8 0.6 0.4 0.2 0.0 3500 3000 2500 2000 1500 1000 Wavenumbers (cm-1) Figure 2: FTIR spectrum of the liquid sample. Using the Table of characteristic IR absorptions in APPENDIX 1, justify which of the four molecules (A, B, C and D) in Table 1 best correspond to the IR spectrum in Figure 2. Justify your answer for all four compounds. Table 1-Chemical structure of compounds A, B, C and D. Compound A Chemical Benzoic acid name Chemical HO structure Compound B Benzamide H₂N Compound C Compound D Benzaldehyde Benzamine H₂N- о

Consider the Fourier Transform Infrared (FTIR) spectrum of an unknown liquid sample that was recorded in a controlled environment using an ATR (Attenuated Total Reflectance) accessory without any further preparation and is presented in Figure 2. Transmitance 1.2 1.0 0.8 0.6 0.4 0.2 0.0 3500 3000 2500 2000 1500 1000 Wavenumbers (cm-1) Figure 2: FTIR spectrum of the liquid sample. Using the Table of characteristic IR absorptions in APPENDIX 1, justify which of the four molecules (A, B, C and D) in Table 1 best correspond to the IR spectrum in Figure 2. Justify your answer for all four compounds. Table 1-Chemical structure of compounds A, B, C and D. Compound A Chemical Benzoic acid name Chemical HO structure Compound B Benzamide H₂N Compound C Compound D Benzaldehyde Benzamine H₂N- о

Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter18: Raman Spectroscopy
Section: Chapter Questions
Problem 18.9QAP
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b) Consider the Fourier Transform Infrared (FTIR) spectrum of an unknown liquid sample that was recorded in a controlled environment using an ATR (Attenuated Total Reflectance) accessory without any further preparation and is presented in Figure 2. Transmitance 1.2 1.0 0.8 € 0.6 0.4 0.2 0.0 3500 3000 וין 2500 2000 1500 1000 Wavenumbers (cm-1) Figure 2: FTIR spectrum of the liquid sample. Using the Table of characteristic IR absorptions in APPENDIX 1, justify which of the four molecules (A, B, C and D) in Table 1 best correspond to the IR spectrum in Figure 2. Justify your answer for all four compounds. Table 1-Chemical structure of compounds A, B, C and D. Compound A Chemical Benzoic acid Compound B Benzamide wwwwwww Compound C Compound D Benzaldehyde Benzamine name Chemical HO structure H₂N H₂N-
Transcribed Image Text:b) Consider the Fourier Transform Infrared (FTIR) spectrum of an unknown liquid sample that was recorded in a controlled environment using an ATR (Attenuated Total Reflectance) accessory without any further preparation and is presented in Figure 2. Transmitance 1.2 1.0 0.8 € 0.6 0.4 0.2 0.0 3500 3000 וין 2500 2000 1500 1000 Wavenumbers (cm-1) Figure 2: FTIR spectrum of the liquid sample. Using the Table of characteristic IR absorptions in APPENDIX 1, justify which of the four molecules (A, B, C and D) in Table 1 best correspond to the IR spectrum in Figure 2. Justify your answer for all four compounds. Table 1-Chemical structure of compounds A, B, C and D. Compound A Chemical Benzoic acid Compound B Benzamide wwwwwww Compound C Compound D Benzaldehyde Benzamine name Chemical HO structure H₂N H₂N-
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