Abstract
In this work, the kinetics of the micellar catalyzed oxidation of the unsaturated aliphatic aldehyde, E-crotonaldehyde in aqueous medium under pseudo 1st-order reaction condition was spectrophotometrically investigated at 25 °C. In the spectrophotometric measurement, the rate of the reaction was recorded by the decreasing intensity of the metallic oxidant, hexavalent chromium [Cr(VI)], in acidic aliquots at 450 nm with varying concentration of surfactants and/or heteroaromatic promoters. Spectral evidences have been produced in favour of the mechanistic approach and the product formation.
Zusammenfassung
In dieser Arbeit wurde die Kinetik der mizellar katalysierten Oxidation des ungesättigten aliphatischen Aldehyds, E-Crotonaldehyd im wässerigen Medium unter pseudo-1.-Ordnung-Reaktionsbedingung bei 25°C spektrophotometrisch untersucht. Bei der spektrophotometrischen Messung wurde die Reaktionsgeschwindigkeit durch die abnehmende Intensität des metallischen Oxidationsmittels, des sechswertigen Chroms [Cr(VI)], in sauren Aliquots bei 450 nm mit variierender Konzentration von Tensiden und/oder heteroaromatischen Promotoren erfasst. Es wurden spektrale Beweise für den mechanistischen Ansatz und die Produktbildung erbracht.
About the authors
Atanu Rakshit was born in East Barddhaman, WB, India in 1991. He passed his M. Sc. degree from the University of Burdwan in 2015 and got NET-LS in the year 2016. He is working in homogeneous catalysis laboratory in the University of Burdwan.
Suman Chowdhury was born in Hooghly, WB, India in 1991. He passed his M. Sc. degree from the University of Burdwan in 2013 and got CSIR-NET JRF fellowship in the year 2017. He is working in homogeneous catalysis laboratory in the University of Burdwan.
Animesh Acharjee was born in Asansol, WB, India in 1989. He passed his M. Sc. degree from the University of Burdwan in 2013. Presently he is working as an assistant professor of Hooghly Mohsin College and he is also working as a scholar in homogeneous catalysis laboratory in the University of Burdwan.
Kuheli Dome was born in Suri, Birbhum WB, India in 1993. She passed her M. Sc. degree from IIT Kharagpur in 2016. Presently she is working at Department of Chemistry, IIT (ISM), Dhanbad, Jharkhand 826004, India as Ph.D Student.
Kripasindhu Karmkar was born in Bankura, WB, India in 1996. He passed his M. Sc. degree from Pondicherry University in 2018. Presently he is working in homogeneous catalysis laboratory in the University of Burdwan, India as Ph.D Student.
Dr. Bidyut Saha: He was born in Birbhum, WB, India in 1975. He obtained his Ph.D degree from Visva Bharati University, India in 2007. He was a visiting scientist in the Department of Chemistry, UBC, Canada in 2009 and 2010. Dr. Saha is presently working as a Professor at the Department of Chemistry, Burdwan University, India. His area of interests is bioremediation of toxic metal, micellar catalysis and inorganic reaction mechanism. He has already published thirty papers in international journals.
Abbreviations
- CMC –
Critical Micelle Concentration
- SDS –
Sodium dodecylsulfate
- CPC –
Cetylpyridinium chloride
- bpy –
2,2’-Bipyridine
- phen –
1,10-Phenanthroline
- PA –
2-Picolinic acid
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