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WorksheetsSpectroscopy1
Total questions: 10
Worksheet time: 5mins
The microwave spectra can be recorded on samples in
Solid state
Liquid State
Gaseous state
Colloidal state
Microwave spectroscopy is generally used to detect
Functional Groups
Conjugation in Double Bonds
Unpaired electrons
Isotopes
Which of the following has shortest wavelength?
γ-rays
radio waves
visible spectrum
micro waves
No two compounds except ------------- can have identical IR absorption curves.
Tautomers
Enantiomers
Stereo Isomers
Optical Isomers
In IR, thermocouples are used as a
Source
Detector
Analyser
Recorder
The molecules that are IR active must undergo change in
polarizability
magnetic moment
dipole moment
heat energy
Which of the following is not a composition of Nernst glower or Nernst filament?
Oxides of Zirconium
Oxides of Barium
Oxides of Yitrium
Oxides of Thorium
Which statement is correct?
Wavelength is directly proportional to energy
Wavenumber is directly proportional to energy.
Wavenumber is directly proportional to wavelength
Wavelength is directly proportional to frequency
The lowest vibrational level has the vibrational energy
hγ
1/2hγ
1/3hγ
2/3hγ
The value of force constant------------ with multiple bonds
increases
decreases
remains the same
depends on the molecule
