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Questions and Answers
Which instrument is used to conduct the method of infrared spectroscopy?
Which instrument is used to conduct the method of infrared spectroscopy?
- Spectrophotometer (correct)
- Electron microscope
- Mass spectrometer
- Chromatograph
What is the typical unit of wavenumber used in IR spectra?
What is the typical unit of wavenumber used in IR spectra?
- Kelvin (K)
- Meters per second (m/s)
- Hertz (Hz)
- Reciprocal centimeters (cm−1) (correct)
Infrared spectroscopy is used to study and identify chemical substances in which forms?
Infrared spectroscopy is used to study and identify chemical substances in which forms?
- Liquid and gaseous forms only
- Solid, liquid, and gaseous forms (correct)
- Solid and liquid forms only
- Gaseous form only
Which portion of the electromagnetic spectrum is usually divided into three regions in infrared spectroscopy?
Which portion of the electromagnetic spectrum is usually divided into three regions in infrared spectroscopy?
What is the higher-energy near-IR range approximately in terms of wavenumber?
What is the higher-energy near-IR range approximately in terms of wavenumber?