Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium

Ismail Althagafi; Ahmed Fawzy; Ishaq A. Zaafarany; Fahd A. Tirkistani; Khalid S. Khairou

doi:doi:10.11648/j.ajpc.20160505.11

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Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium

Ismail Althagafi, Ahmed Fawzy, Ishaq A. Zaafarany, Fahd A. Tirkistani, Khalid S. Khairou

Published in American Journal of Physical Chemistry (Volume 5, Issue 5)

Received: 7 September 2016 Accepted: 23 September 2016 Published: 11 October 2016

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Abstract

Oxidation kinetics of inositol (INOS) by cerium(IV) has been studied spectrophotometrically in perchlorate medium at fixed ionic strength and temperature. The reaction showed a first order dependence with respect to [Ce(IV)] and less than unit order kinetics in both [H⁺] and [INOS]. Increasing both ionic strength and dielectric constant of the reaction medium increased the oxidation rate. Addition of Ce(III) product had no any significant effect on the oxidation rate. The oxidation product of inositol was identified by both spectroscopic and chemical tools as inosose. A plausible mechanistic scheme for oxidation reaction has been proposed and the rate law associated with the reaction mechanism was derived. The activation parameters of the second order rate constant were calculated and discussed.

Published in	American Journal of Physical Chemistry (Volume 5, Issue 5)
DOI	10.11648/j.ajpc.20160505.11
Page(s)	87-93
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Inositol, Kinetics, Mechanism, Oxidation, Cerium(IV)

References

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APA Style

Ismail Althagafi, Ahmed Fawzy, Ishaq A. Zaafarany, Fahd A. Tirkistani, Khalid S. Khairou. (2016). Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium. American Journal of Physical Chemistry, 5(5), 87-93. https://doi.org/10.11648/j.ajpc.20160505.11

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ACS Style

Ismail Althagafi; Ahmed Fawzy; Ishaq A. Zaafarany; Fahd A. Tirkistani; Khalid S. Khairou. Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium. Am. J. Phys. Chem. 2016, 5(5), 87-93. doi: 10.11648/j.ajpc.20160505.11

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AMA Style

Ismail Althagafi, Ahmed Fawzy, Ishaq A. Zaafarany, Fahd A. Tirkistani, Khalid S. Khairou. Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium. Am J Phys Chem. 2016;5(5):87-93. doi: 10.11648/j.ajpc.20160505.11

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@article{10.11648/j.ajpc.20160505.11,
  author = {Ismail Althagafi and Ahmed Fawzy and Ishaq A. Zaafarany and Fahd A. Tirkistani and Khalid S. Khairou},
  title = {Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium},
  journal = {American Journal of Physical Chemistry},
  volume = {5},
  number = {5},
  pages = {87-93},
  doi = {10.11648/j.ajpc.20160505.11},
  url = {https://doi.org/10.11648/j.ajpc.20160505.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20160505.11},
  abstract = {Oxidation kinetics of inositol (INOS) by cerium(IV) has been studied spectrophotometrically in perchlorate medium at fixed ionic strength and temperature. The reaction showed a first order dependence with respect to [Ce(IV)] and less than unit order kinetics in both [H+] and [INOS]. Increasing both ionic strength and dielectric constant of the reaction medium increased the oxidation rate. Addition of Ce(III) product had no any significant effect on the oxidation rate. The oxidation product of inositol was identified by both spectroscopic and chemical tools as inosose. A plausible mechanistic scheme for oxidation reaction has been proposed and the rate law associated with the reaction mechanism was derived. The activation parameters of the second order rate constant were calculated and discussed.},
 year = {2016}
}

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TY  - JOUR
T1  - Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium
AU  - Ismail Althagafi
AU  - Ahmed Fawzy
AU  - Ishaq A. Zaafarany
AU  - Fahd A. Tirkistani
AU  - Khalid S. Khairou
Y1  - 2016/10/11
PY  - 2016
N1  - https://doi.org/10.11648/j.ajpc.20160505.11
DO  - 10.11648/j.ajpc.20160505.11
T2  - American Journal of Physical Chemistry
JF  - American Journal of Physical Chemistry
JO  - American Journal of Physical Chemistry
SP  - 87
EP  - 93
PB  - Science Publishing Group
SN  - 2327-2449
UR  - https://doi.org/10.11648/j.ajpc.20160505.11
AB  - Oxidation kinetics of inositol (INOS) by cerium(IV) has been studied spectrophotometrically in perchlorate medium at fixed ionic strength and temperature. The reaction showed a first order dependence with respect to [Ce(IV)] and less than unit order kinetics in both [H+] and [INOS]. Increasing both ionic strength and dielectric constant of the reaction medium increased the oxidation rate. Addition of Ce(III) product had no any significant effect on the oxidation rate. The oxidation product of inositol was identified by both spectroscopic and chemical tools as inosose. A plausible mechanistic scheme for oxidation reaction has been proposed and the rate law associated with the reaction mechanism was derived. The activation parameters of the second order rate constant were calculated and discussed.
VL  - 5
IS  - 5
ER  -

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Author Information

Ismail Althagafi

Chemistry Department, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
Ahmed Fawzy

Chemistry Department, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia; Chemistry Department, Faculty of Science, Assiut University, Assiut, Egypt
Ishaq A. Zaafarany

Chemistry Department, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
Fahd A. Tirkistani

Chemistry Department, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
Khalid S. Khairou

Chemistry Department, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia

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APA Style

Ismail Althagafi, Ahmed Fawzy, Ishaq A. Zaafarany, Fahd A. Tirkistani, Khalid S. Khairou. (2016). Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium. American Journal of Physical Chemistry, 5(5), 87-93. https://doi.org/10.11648/j.ajpc.20160505.11

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ACS Style

Ismail Althagafi; Ahmed Fawzy; Ishaq A. Zaafarany; Fahd A. Tirkistani; Khalid S. Khairou. Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium. Am. J. Phys. Chem. 2016, 5(5), 87-93. doi: 10.11648/j.ajpc.20160505.11

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AMA Style

Ismail Althagafi, Ahmed Fawzy, Ishaq A. Zaafarany, Fahd A. Tirkistani, Khalid S. Khairou. Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium. Am J Phys Chem. 2016;5(5):87-93. doi: 10.11648/j.ajpc.20160505.11

Copy | Download

@article{10.11648/j.ajpc.20160505.11,
  author = {Ismail Althagafi and Ahmed Fawzy and Ishaq A. Zaafarany and Fahd A. Tirkistani and Khalid S. Khairou},
  title = {Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium},
  journal = {American Journal of Physical Chemistry},
  volume = {5},
  number = {5},
  pages = {87-93},
  doi = {10.11648/j.ajpc.20160505.11},
  url = {https://doi.org/10.11648/j.ajpc.20160505.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20160505.11},
  abstract = {Oxidation kinetics of inositol (INOS) by cerium(IV) has been studied spectrophotometrically in perchlorate medium at fixed ionic strength and temperature. The reaction showed a first order dependence with respect to [Ce(IV)] and less than unit order kinetics in both [H+] and [INOS]. Increasing both ionic strength and dielectric constant of the reaction medium increased the oxidation rate. Addition of Ce(III) product had no any significant effect on the oxidation rate. The oxidation product of inositol was identified by both spectroscopic and chemical tools as inosose. A plausible mechanistic scheme for oxidation reaction has been proposed and the rate law associated with the reaction mechanism was derived. The activation parameters of the second order rate constant were calculated and discussed.},
 year = {2016}
}

Copy | Download

TY  - JOUR
T1  - Kinetics and Mechanistic Approach to the Oxidation of Inositol by Cerium(IV) in Aqueous Perchlorate Medium
AU  - Ismail Althagafi
AU  - Ahmed Fawzy
AU  - Ishaq A. Zaafarany
AU  - Fahd A. Tirkistani
AU  - Khalid S. Khairou
Y1  - 2016/10/11
PY  - 2016
N1  - https://doi.org/10.11648/j.ajpc.20160505.11
DO  - 10.11648/j.ajpc.20160505.11
T2  - American Journal of Physical Chemistry
JF  - American Journal of Physical Chemistry
JO  - American Journal of Physical Chemistry
SP  - 87
EP  - 93
PB  - Science Publishing Group
SN  - 2327-2449
UR  - https://doi.org/10.11648/j.ajpc.20160505.11
AB  - Oxidation kinetics of inositol (INOS) by cerium(IV) has been studied spectrophotometrically in perchlorate medium at fixed ionic strength and temperature. The reaction showed a first order dependence with respect to [Ce(IV)] and less than unit order kinetics in both [H+] and [INOS]. Increasing both ionic strength and dielectric constant of the reaction medium increased the oxidation rate. Addition of Ce(III) product had no any significant effect on the oxidation rate. The oxidation product of inositol was identified by both spectroscopic and chemical tools as inosose. A plausible mechanistic scheme for oxidation reaction has been proposed and the rate law associated with the reaction mechanism was derived. The activation parameters of the second order rate constant were calculated and discussed.
VL  - 5
IS  - 5
ER  -

Copy | Download