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

Seyed Alireza Hashemi; Rasoul Vafazadeh

doi:doi:10.11648/j.wjac.20180304.12

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

Seyed Alireza Hashemi, Rasoul Vafazadeh

Published in World Journal of Applied Chemistry (Volume 3, Issue 4)

Received: 29 October 2018 Accepted: 28 November 2018 Published: 13 March 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 k_obs. Based on the experimental data, the values of kobs are computed. Then k_obs is expressed as a function of [NiL]. According to these results, the mechanism of metal exchange reaction is suggested.

Published in	World Journal of Applied Chemistry (Volume 3, Issue 4)
DOI	10.11648/j.wjac.20180304.12
Page(s)	92-98
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), 2019. Published by Science Publishing Group

Keywords

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

References

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APA Style

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://article.sciencepublishinggroup.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

Seyed Alireza Hashemi

Department of Chemistry, University of Payame Noor, Ardakan, Iran
Rasoul Vafazadeh

Department of Chemistry, Yazd University, Yazd, Iran

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APA Style

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

Copy | Download

@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://article.sciencepublishinggroup.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}
}

Copy | Download

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  -

Copy | Download