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Asian Journal of Research in Chemistry
Year : 2016, Volume : 9, Issue : 4
First page : ( 170) Last page : ( 176)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2016.00027.4

Kinetics and Mechanism of Oxidation of Lactic Acid by Tripropylammonium Halochromates (X=F, Cl) in Micellar medium

Dayanandhan R.1, Subramani K.2,,*

1Research and Development Center, Bharathiar University, Coimbatore, Tamil Nadu, India

2PG and Research, Department of Chemistry, Islamiah College, Vaniyambadi-635752, Tamil Nadu, India

*Corresponding Author E-mail: dayachemistry@gmail.com

Online published on 23 May, 2016.


Oxidation of Lactic acid by Two new Cr(VI) oxidants namely Tripropylammonium Fluorochromate (TPAFC) and Tripropylammonium Chlorochromate (TPACC) has been attempted. The oxidation has been studied spectrophotometrically in Perchloric Acid medium with micellar catalyst-Benzalkonium chloride (BKC), a cationic micelle. The reaction follows first order kinetics with respect to Substrate. With increase in concentration of Substrate, Micelle and Perchloric acid, the rate of the reaction gets increased. Rate measurement was carried out at room temperature (30 ± 0.20°C), a decrease in Absorbance was observed. Thermodynamic Parameters has been calculated and computed at different temperatures from 303K to 318K. Product formed were analysed and polymerization test were carried to confirm that the reaction follows ionic mechanism. The kinetic and stoichiometric results have been accounted.



Lactic acid, Tripropylammonium Fluorochromate, Tripropylammonium Chlorochromate, Thermodynamic Parameters, Perchloric acid.


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