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M Sc Quiz II

Create a visually appealing image depicting molecular structures and spectroscopy techniques, showcasing elements like rotating molecules, energy levels, and spectral lines in a colorful academic setting.

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.

11 Questions3 MinutesCreated by DivingMolecule42

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

175

Which of the following molecules will not display an infrared spectrum?

CO2

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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