4. Infrared spectroscopic data is reported in wavenumber (cm:1) against absorbance because they have a linear relationship. C True False 5. A hygroscopic organic sample to be subjected to IR does not need to be kept dry because water molecules in the air will not affect the IR spectra. C True False 6. The electromagnetic radiation that is emitted in infrared spectroscopy is not enough to excite electrons to an unoccupied molecular orbital. True C False 7. A molecule that is "IR inactive" means that it does not produce any signal due to no vibration. True False
4. Infrared spectroscopic data is reported in wavenumber (cm:1) against absorbance because they have a linear relationship. C True False 5. A hygroscopic organic sample to be subjected to IR does not need to be kept dry because water molecules in the air will not affect the IR spectra. C True False 6. The electromagnetic radiation that is emitted in infrared spectroscopy is not enough to excite electrons to an unoccupied molecular orbital. True C False 7. A molecule that is "IR inactive" means that it does not produce any signal due to no vibration. True False
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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
Transcribed Image Text:4. Infrared spectroscopic data is reported in wavenumber (cm-!) against absorbance because
they have a linear relationship.
C True
False
5. A hygroscopic organic sample to be subjected to IR does not need to be kept dry because
water molecules in the air will not affect the IR spectra.
True
False
6. The electromagnetic radiation that is emitted in infrared spectroscopy is not enough to excite
electrons to an unoccupied molecular orbital.
True
False
7. A molecule that is "IR inactive" means that it does not produce any signal due to no vibration.
True
False
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