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WorksheetsRotational spectroscopy
Total questions: 10
Worksheet time: 10mins
The different types of energies associated with a molecule are __________
Vibrational energy
electronic energy
Rotational energy
All of these
Molecules which are having _______ are microwave active.
Dipole moment
High pressure Detector
Principle axis
Acidity
A photon of wave number 100 cm-1 has a wavelength of
1 m
1 mm
1000 nm
100 m
The photon described in Question 3 lies within which part of the electromagnetic spectrum?
Radio wave
Visible
Infrared
Ultraviolet
The energy in joules of a photon of wavelength 355 nm is
5.596 x 1019 J
5.596 x 1028 J
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
Which of the following molecule has no rotational spectrum?
NH3
HCl
N2
H2O.
The microwave active molecules are
HCl, OCS
CO,CO2
Both a) and b)
None of the above
From the rotational microwave spectrum of 1H35Cl, we find that B = 10.59342 cm-1 . Given that the masses of 1H and 35 Cl are 1.0078250 and 34.9688527 amu, respectively, determine the bond length of the 1H35Cl molecule
1.274 x 10-10 m
1.674 x 10-10 m
1.474 x 10-10 m
1.0274 x 10-10 m
The correct order of different types of energies is __________
Eel >> Evib >> Erot
Eel >> Erot >> Evib
Evib >> Eel >> E rot
None of these
