Why does riboflavin fluoresce when reacted with acetic acidS

Why does riboflavin fluoresce when reacted with acetic acid?

Solution

An experiment shows the spectroscopic analysis called fluorescence. It involves shinning an ultraviolet light , which will excite the electrons of certain molecules. When these excited electrons return to their ground state , energy is released & cause the molecule to emit light. The compound used for this experiment is riboflavin. It is a vitamin found in many multivitamin preparations. It is important in energy metabolism & body maintenance.

Riboflavin must be reacted with acetic acid to become fluorescent.