World Journal of Applied Chemistry

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Investigation on Kinetics and Mechanism of Metal Exchange Reaction of Copper (II) Ions and NiL

Received: Oct. 29, 2018    Accepted: Nov. 28, 2018    Published: Mar. 13, 2019
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Abstract

In this study, the electron spectrum in UV-Vis region is used to study the kinetics of metal exchange reaction between ion cu2+ and additional concentration of NiL complex. This complex is soluble in dimethyl formamid solution with ionic strength of 0.1M KNO3. The kinetic data of this reaction proves that the metal exchange is a two-step reaction. The value of the kinetic constant, k, is proportional with [NiL] at low concentration of NiL. At higher higher concentration of NiL ([NiL]>>[Cu2+]), this direct relation does not exist, so k is independent of [NiL]. The second order reaction is converted to pseudo first order reaction with the rate constant of kobs. Based on the experimental data, the values of kobs are computed. Then kobs is expressed as a function of [NiL]. According to these results, the mechanism of metal exchange reaction is suggested.

DOI 10.11648/j.wjac.20180304.12
Published in World Journal of Applied Chemistry ( Volume 3, Issue 4, December 2018 )
Page(s) 92-98
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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

Metal Exchange Reaction, Kinetics, Rate Constant, Mechanism the Reaction

References
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    Seyed Alireza Hashemi, Rasoul Vafazadeh. (2019). Investigation on Kinetics and Mechanism of Metal Exchange Reaction of Copper (II) Ions and NiL. World Journal of Applied Chemistry, 3(4), 92-98. https://doi.org/10.11648/j.wjac.20180304.12

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    ACS Style

    Seyed Alireza Hashemi; Rasoul Vafazadeh. Investigation on Kinetics and Mechanism of Metal Exchange Reaction of Copper (II) Ions and NiL. World J. Appl. Chem. 2019, 3(4), 92-98. doi: 10.11648/j.wjac.20180304.12

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    AMA Style

    Seyed Alireza Hashemi, Rasoul Vafazadeh. Investigation on Kinetics and Mechanism of Metal Exchange Reaction of Copper (II) Ions and NiL. World J Appl Chem. 2019;3(4):92-98. doi: 10.11648/j.wjac.20180304.12

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  • @article{10.11648/j.wjac.20180304.12,
      author = {Seyed Alireza Hashemi and Rasoul Vafazadeh},
      title = {Investigation on Kinetics and Mechanism of Metal Exchange Reaction of Copper (II) Ions and NiL},
      journal = {World Journal of Applied Chemistry},
      volume = {3},
      number = {4},
      pages = {92-98},
      doi = {10.11648/j.wjac.20180304.12},
      url = {https://doi.org/10.11648/j.wjac.20180304.12},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.wjac.20180304.12},
      abstract = {In this study, the electron spectrum in UV-Vis region is used to study the kinetics of metal exchange reaction between ion cu2+ and additional concentration of NiL complex. This complex is soluble in dimethyl formamid solution with ionic strength of 0.1M KNO3. The kinetic data of this reaction proves that the metal exchange is a two-step reaction. The value of the kinetic constant, k, is proportional with [NiL] at low concentration of NiL. At higher higher concentration of NiL ([NiL]>>[Cu2+]), this direct relation does not exist, so k is independent of [NiL]. The second order reaction is converted to pseudo first order reaction with the rate constant of kobs. Based on the experimental data, the values of kobs are computed. Then kobs is expressed as a function of [NiL]. According to these results, the mechanism of metal exchange reaction is suggested.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Investigation on Kinetics and Mechanism of Metal Exchange Reaction of Copper (II) Ions and NiL
    AU  - Seyed Alireza Hashemi
    AU  - Rasoul Vafazadeh
    Y1  - 2019/03/13
    PY  - 2019
    N1  - https://doi.org/10.11648/j.wjac.20180304.12
    DO  - 10.11648/j.wjac.20180304.12
    T2  - World Journal of Applied Chemistry
    JF  - World Journal of Applied Chemistry
    JO  - World Journal of Applied Chemistry
    SP  - 92
    EP  - 98
    PB  - Science Publishing Group
    SN  - 2637-5982
    UR  - https://doi.org/10.11648/j.wjac.20180304.12
    AB  - In this study, the electron spectrum in UV-Vis region is used to study the kinetics of metal exchange reaction between ion cu2+ and additional concentration of NiL complex. This complex is soluble in dimethyl formamid solution with ionic strength of 0.1M KNO3. The kinetic data of this reaction proves that the metal exchange is a two-step reaction. The value of the kinetic constant, k, is proportional with [NiL] at low concentration of NiL. At higher higher concentration of NiL ([NiL]>>[Cu2+]), this direct relation does not exist, so k is independent of [NiL]. The second order reaction is converted to pseudo first order reaction with the rate constant of kobs. Based on the experimental data, the values of kobs are computed. Then kobs is expressed as a function of [NiL]. According to these results, the mechanism of metal exchange reaction is suggested.
    VL  - 3
    IS  - 4
    ER  - 

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Author Information
  • Department of Chemistry, University of Payame Noor, Ardakan, Iran

  • Department of Chemistry, Yazd University, Yazd, Iran

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