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Paper Details

Kinetic Study of the Catalytic Effect of CTAB on the Oxidative Degradation of Methyl Alcohol by N-chlorosaccharin

Sanjay K Singh1*, H.D.Gupta1, S.S.Baghel2, Saras Tiwari3

Journal Title:Journal of Chemical, Biological and physical sciences

The kinetic studies of the cetyltrimethylammonium bromide (CTAB) catalyzed oxidation of methyl alcohol by N-chlorosaccharin (NCSA) has been carried out in aqueous acetic acid medium. The reaction is of the first order with respect to N-chlorosaccharin and fractional order with methyl alcohol. The rate of oxidation in the presence of CTAB is faster than in the absence of surfactant. The rate of oxidation increases with decrease in dielectric constant of the medium. The reactions are acid catalyzed and retarded by addition of saccharin. The value of rate constants observed at four different temperatures were utilized to calculate the activation parameter. The oxidation product is confirmed and a possible reaction path for their formation is proposed in CTAB layer. The applicability of the Menger-Portnoy model was tested to explain the observed micellar effects.