Rotational spectroscopy -1
Authored by Sangu Venkatachalam
Chemistry
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following molecules show microwave activity?
H2
CO2
SF6
CH3Cl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Intensity of microwave spectral lines
is same
increases with increase in energy
increases with decrease in energy
Goes through maximum
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following molecule shows rotational spectra?
CO
CO2
H2
N2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In rotational Raman spectrum what is the selection rule for Rayleigh line
Δ𝐽 = 1
Δ𝐽 = −1
Δ𝐽. = +2
Δ𝐽 = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The rotational energy of a diatomic molecule in terms of wave number is
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The wave number difference between successive rotational levels of a rigid diatomic molecule is
2B J
BJ(J+1)
2BJ(J+1)
2BJ(J-1)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The various energy level of a rotational spectrum is given by
2B,6B,12B,_ _ _
2B,4B,6B,8B,….
0,2B,6B,12B,_ _ _
0,2B,4B,6B,8B,….
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