A chemist was provided with three compounds of A, B and C. The molecular structures of the compounds were given as follows: He decided to analyze one of the compounds using infra-red spectroscopy. The spectrum obtained from the analysis is shown in Figure Q2.1. i) Explain the principle of the infra-red spectrum generation. ii) Describe the reason for the formation of the peak with various transmittances shown in Figure Q2.1. iii) Determine which compound corresponds to the spectrum above by identifying and listing the major bonds and their corresponding wavenumbers
A chemist was provided with three compounds of A, B and C. The molecular structures of the compounds were given as follows: He decided to analyze one of the compounds using infra-red spectroscopy. The spectrum obtained from the analysis is shown in Figure Q2.1. i) Explain the principle of the infra-red spectrum generation. ii) Describe the reason for the formation of the peak with various transmittances shown in Figure Q2.1. iii) Determine which compound corresponds to the spectrum above by identifying and listing the major bonds and their corresponding wavenumbers
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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A chemist was provided with three compounds of A, B and C. The molecular structures of the compounds were given as follows:
He decided to analyze one of the compounds using infra-red spectroscopy. The
spectrum obtained from the analysis is shown in Figure Q2.1.
i) Explain the principle of the infra-red spectrum generation.
ii) Describe the reason for the formation of the peak with various transmittances
shown in Figure Q2.1.
iii) Determine which compound corresponds to the spectrum above by identifying and listing the major bonds and their corresponding wavenumbers.
Transcribed Image Text:А
В
C
H3C,
HOʻ
.CH3
ОН
H3C
Transcribed Image Text:100-
4000
3000
2000
1500
1000
500
wavenumber (cm-1)
Figure Q2.1: FTIR spectrum of a
compound
transmittance (%)
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