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What are the selection rules for the electronic transitions of diatomic molecules?
Compare the important characteristics of Raman and IR spectra.
State mutual exclusion principle. Using this principle, predict the structure of SO2 from its IR and Raman spectral data.
Briefly explain the normal modes of vibration for CO2 molecule. Which of these modes are degenerate?
How do P,Q and R branches arise in the IR spectrum of a vibrating rotator? Explain.
Briefly explain the following: (i) Hooke’s Law (ii) Zero point energy
Derive the expression Ek = ½ Iw^2
Will the following molecules be optically active? (i) CH3CHOHCOOH (ii) CH2ClF Justify your answer on the basis of symmetry considerations.
Using suitable diagrams, explain the shape of ammonic molecule and the symmetry elements present in it.
In the hydrogen atom spectrum, how many lines will appear for the following transitions ?
(i) 2S1/2 to 2P1/2 (ii) 2S1/2 to 2P3/2
Will the number of lines change in the presence of magnetic field? Explain your answer.
(i) 2S1/2 to 2P1/2 (ii) 2S1/2 to 2P3/2
Will the number of lines change in the presence of magnetic field? Explain your answer.
