Which of the following systems will show electron spin resonance (ESR) spectrum? (i) H (ii) (iii)
(iv)
(v)
(vi)
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The rotational Raman spectrum of a diatomic molecule has the first line of a series of Stokes and anti-Stokes lines at , relative of the
of incident light. What would be its bond length.
How does the rule of Mutual Exclusion help in predicting the symmetry in case of and
molecules?
The frequencies of the first and second overtones respectively are exactly double and triple of the fundamental vibration frequency. Comment.
Peak X corresponds to F 1s electrons, which have the highest binding energy because fluorine’s high electronegativity and small size give its 1s electrons a large effective nuclear attraction. Peak Y is N 1s and Peak Z is Al 2p.
What is meant by AX spin system in NMR? Draw a schematic energy level diagram for this system and show the allowed transitions.
Assuming that the force constants of H-Cl and D-Cl are the same, calculate the fundamental vibration frequency of D-Cl if that of H-Cl is .
Write short notes on the following.