1093
A. H. DWIVEDI et al.
between excited state of aniline and ground state of MB is formed. The study of different
parameters concludes that the rate of the dechlorination is dependent on light intensity and
pH and is independent of temperature, initial concentration of substrate and concentration of
sensitizer. φvalue is dependent on initial concentration of substrate. The rate of reaction
follows the order p-CA > m-CA > o-CA.
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