Kinetic Study of SN2 Reaction between Paranitrophenyl Benzoate and Hydrazine in the Presence of CTAB Reverse Micelles

Kinetic study of the reaction between p-Nitrophenyl benzoate (PNPB) by hydrazine (HYN) in the presence of Cetyltrimethylammonium bromide (CTAB)/Chloroform/Hexane reverse micellar medium shows that the reaction obeys first order kinetics with respect to each of the reactants. The rate of the reaction...

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Main Authors: Bhargavi, K. (Author), Shyamala, P. (Author), Padma, M. (Author), Nagalakshmi, K. V. (Author)
Format: EJournal Article
Published: Department of Chemical Engineering - Diponegoro University, 2021-12-20.
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001 BCREC_UNDIP_11036_6199
042 |a dc 
100 1 0 |a Bhargavi, K.  |e author 
700 1 0 |a Shyamala, P.  |e author 
700 1 0 |a Padma, M.  |e author 
700 1 0 |a Nagalakshmi, K. V.  |e author 
245 0 0 |a Kinetic Study of SN2 Reaction between Paranitrophenyl Benzoate and Hydrazine in the Presence of CTAB Reverse Micelles 
260 |b Department of Chemical Engineering - Diponegoro University,   |c 2021-12-20. 
500 |a https://ejournal2.undip.ac.id/index.php/bcrec/article/view/11036 
520 |a Kinetic study of the reaction between p-Nitrophenyl benzoate (PNPB) by hydrazine (HYN) in the presence of Cetyltrimethylammonium bromide (CTAB)/Chloroform/Hexane reverse micellar medium shows that the reaction obeys first order kinetics with respect to each of the reactants. The rate of the reaction is much slower in reverse micellar medium compared to aqueous medium under identical conditions (kˈAq = 2.84×10−3 sec−1, krm =1.34×10−4 sec−1). The rate constants for the reaction in the reverse micellar medium have been determined at different values of W {W=[H2O]/[CTAB]} and at different concentrations of CTAB. It was found that the observed rate constant decreases with W. This kinetic behaviour was interpreted by using modified Berezin pseudo phase model, taking into consideration the distribution of the reactants, PNPB and hydrazine between the three pseudo phases, i.e., water pool, interface an organic phase. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).  
540 |a Copyright (c) 2021 by Authors, Published by BCREC Group 
540 |a https://creativecommons.org/licenses/by-sa/4.0 
546 |a eng 
690 |a CTAB reverse micelles, Hydrazine, Kinetics, p-Nitrophenyl benzoate, Water pools 
655 7 |a info:eu-repo/semantics/article  |2 local 
655 7 |a info:eu-repo/semantics/publishedVersion  |2 local 
655 7 |2 local 
786 0 |n Bulletin of Chemical Reaction Engineering & Catalysis; 2021: BCREC Volume 16 Issue 4 Year 2021 (December 2021); 744-751 
786 0 |n 1978-2993 
787 0 |n https://ejournal2.undip.ac.id/index.php/bcrec/article/view/11036/6199 
787 0 |n https://ejournal2.undip.ac.id/index.php/bcrec/article/downloadSuppFile/11036/2618 
856 4 1 |u https://ejournal2.undip.ac.id/index.php/bcrec/article/view/11036/6199  |z Get Fulltext 
856 4 1 |u https://ejournal2.undip.ac.id/index.php/bcrec/article/downloadSuppFile/11036/2618  |z Get Fulltext