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Kinetics and Mechanism of Oxidation of Sucrose by N-Bromonicotinamide NBN

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Abstract:

Kinetics study of oxidation of sucrose, by aqueous alkaline solution of N-Bromonicotinamide (NBN) has been carried out in the temperature range 308-323K.The reaction exhibits first order in [NaOH] and [Sucrose] and zero order about oxidant. Addition of nicotinamide (NA) has no effect. Increase in ionic strength of the medium does not change the rate. Effect of temperature on the rate of oxidation has been followed to show the validity of Arrehenius equation and various activation parameters have been computed. The stoichiometry of the reaction was found to be 1:1. 1,2-enediol is found to be the reactive intermediate. Arabinonic acid, glycolic acid and formic acid are the products of oxidation.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 57)
Pages:
95-101
DOI:
https://doi.org/10.18052/www.scipress.com/ILCPA.57.95
Citation:
L. Pushpalatha "Kinetics and Mechanism of Oxidation of Sucrose by N-Bromonicotinamide NBN", International Letters of Chemistry, Physics and Astronomy, Vol. 57, pp. 95-101, 2015
Online since:
Aug 2015
Authors:
L. Pushpalatha
Keywords:
Mechanism, N-Bromonicotinamide, Oxidation, Sucrose
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Distribution:
Open Access

Creative Commons License
This work is licensed under a
Creative Commons Attribution 4.0 International License

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