UPSC Combined Geo-Scientist, Mains · 2019 · Mains Paper II
Q11(b). Decay of an excited molecule
Question
Explain possible decay routes of an electronically excited molecule using a Jablonski diagram.
Answer in brief
Excited molecules can undergo vibrational relaxation, internal conversion, fluorescence, intersystem crossing, phosphorescence, quenching or photochemical reaction.
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CoversDecay of an excited moleculePhotophysics
All parts of Question 11
- 11(a) Equilibration of molecular kinetic energies10 marks
- 11(b) Decay of an excited molecule5 marks
- 11(c) Degeneracy in a cubic box5 marks