Question

describe selection rules in raman spectrum​

Answer 1

Answer:

For vibrational Raman spectroscopy, the gross selection rule is that the polarizability of the molecule should change as it vibrates. The specific selec- tion rule for vibrational Raman spectroscopy is ∆v = ±1, where the ∆v = 1 corresponds to Stokes lines and the ∆v = −1 corresponds to Anti-Stokes lines.

Explanation:

Scattering of visible light with loss (or gain) of frequency corresponding to vibrational quanta. IR Selection Rule: For any IR absorption, the vibrational excitation must change the dipole moment of the molecule in order for radiation absorption to occur

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