Consider the following statements as they apply to infrared spectroscopy. Decide if each is true or false. True False The quantized nature of molecular vibrations are generally understood in terms of a rigid rotor model. True False Absorption bands in infrared spectroscopy are due to vibrational and rotational-vibrational transitions in molecules. True False For a given pair of atoms, the vibrational frequency expected if they are joined by a single bond should be higher than if they are joined by a double bond. True False Because molecules in condensed phases (solids and liquid) are not free to rotate, rotational-vibrational transitions are not observed in their infrared spectra. For this reason, even at high resolution, a condensed phase spectrum is characterized by broad bands. True False Heteronuclear diatomic molecules such as HCl do not absorb infrared radiation.
Consider the following statements as they apply to infrared spectroscopy. Decide if each is true or false. True False The quantized nature of molecular vibrations are generally understood in terms of a rigid rotor model. True False Absorption bands in infrared spectroscopy are due to vibrational and rotational-vibrational transitions in molecules. True False For a given pair of atoms, the vibrational frequency expected if they are joined by a single bond should be higher than if they are joined by a double bond. True False Because molecules in condensed phases (solids and liquid) are not free to rotate, rotational-vibrational transitions are not observed in their infrared spectra. For this reason, even at high resolution, a condensed phase spectrum is characterized by broad bands. True False Heteronuclear diatomic molecules such as HCl do not absorb infrared radiation.
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
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![Consider the following statements as they
apply to infrared spectroscopy. Decide if each
is true or false.
True False The quantized nature of molecular
vibrations are generally understood in terms
of a rigid rotor model.
True False Absorption bands in infrared
spectroscopy are due to vibrational and
rotational-vibrational transitions in molecules.
True False For a given pair of atoms, the
vibrational frequency expected if they are
joined by a single bond should be higher than
if they are joined by a double bond.
True False Because molecules in condensed
phases (solids and liquid) are not free to
rotate, rotational-vibrational transitions are
not observed in their infrared spectra. For this
reason, even at high resolution, a condensed
phase spectrum is characterized by broad
bands.
True False Heteronuclear diatomic molecules
such as HCl do not absorb infrared radiation.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F484fe9ad-e885-4ef9-822f-0c9f6c4110f9%2F2d88ecfb-c19d-4a60-bb68-e38116546e1e%2Fj5i7rn5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the following statements as they
apply to infrared spectroscopy. Decide if each
is true or false.
True False The quantized nature of molecular
vibrations are generally understood in terms
of a rigid rotor model.
True False Absorption bands in infrared
spectroscopy are due to vibrational and
rotational-vibrational transitions in molecules.
True False For a given pair of atoms, the
vibrational frequency expected if they are
joined by a single bond should be higher than
if they are joined by a double bond.
True False Because molecules in condensed
phases (solids and liquid) are not free to
rotate, rotational-vibrational transitions are
not observed in their infrared spectra. For this
reason, even at high resolution, a condensed
phase spectrum is characterized by broad
bands.
True False Heteronuclear diatomic molecules
such as HCl do not absorb infrared radiation.
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