M Sc Quiz II
Molecular Spectroscopy Quiz
Test your knowledge of molecular spectroscopy with our challenging quiz! Designed for both students and enthusiasts, this quiz covers a range of topics related to molecular vibrations, rotational spectra, normal modes, and energy types.
Participate in this engaging quiz to:
- Enhance your understanding of molecular dynamics.
- Explore fundamental concepts in spectroscopy.
- Challenge yourself with multiple choice questions.
Calculate the moment of inertia, I, of the molecule 1H35Cl. The masses of the two atoms are mH = 1.673 x 1027 kg and mCl = 5.807 x 1026 kg. The equilibrium bond length of the molecule is 1.275 Å.
2.644 x 1047 kg m2
2.644 x 1027 kg m2
2.644 x 1044 kg m2
2.644 x 1024 kg m2
Calculate the position in cm1 of the J = 6 7 line in the pure rotational spectrum of the hydrogen deuteride molecule, HD. The masses of the two atoms are mH = 1.0078 u and mD= 2.0141 u and the equilibrium bond length of the molecule is 0.749 Å.
4.47 cm-1
0.045 cm-1
626.3 cm-1
536.8 cm-1
How many normal modes of vibration are there for C60?
174
180
60
175
Which of the following molecules will not display an infrared spectrum?
CO2
N2
Benzene
HCCH
The different types of energies associated with a molecule are __________
Electronic energy
Vibrational energy
Rotational energy
All of the mentioned
During the motion, if the centre of gravity of molecule changes, the molecule possess __________
Electronic energy
Rotational energy
Translational energy
Vibrational energy
The correct order of different types of energies is __________
Eel >> Evib >> Erot >> E tr
Eel >> Erot >> Evib >> E tr
Eel >> Evib >> Etr >> E rot
Etr >> Evib >> Erot >> E el
Which of the following is an application of molecular spectroscopy?
Structural investigation
Basis of understanding of colors
Study of energetically excited reaction products
All of the mentioned
Select the correct statement from the following option.
Spectroscopic methods require less time and more amount of sample than classical methods
Spectroscopic methods require more time and more amount of sample than classical methods
Spectroscopic methods require less time and less amount of sample than classical methods
Spectroscopic methods require more time and less amount of sample than classical methods
The frequency of vibration of a bond is a function of which factor?
Force constant of the bond
Masses of the atoms involved in bonding
Force constant of the bond and Masses of the atoms
Bond order
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