Photo sensitized heterolytic fission of isomeric Bromo anilines and methylene blue photo sensitized reaction of isomeric toluidines contain calculation of quantum yield, the rate of reaction, effect of PH, concentration of sensitizer, substrate concentration, light intensity, solvent and reaction under the anaerobic condition, discussion, Mechanism and conclusion including chromatograph. in part two product study, effect of PH, concentration of sensitizer, substrate concentration, light intensity, anaerobic condition and solvent, mechanism of methylene blue photo sensitized reaction of...