UPSC Combined Geo-Scientist, Mains · 2019 · Mains Paper II

Q10(b). Why electronic spectra of molecules are complex

5 marks
Topic: Basic principles and applications of spectroscopy
Question only

Question

'Electronic spectrum of molecules is more complex.' Justify this statement.

Model answer

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Coverselectronic spectravibronic structureFranck-Condonband spectra

All parts of Question 10

10(a) Fundamental frequency of ¹H³⁵Cl from its force constant5 marks
10(b) Why electronic spectra of molecules are complex5 marks