Kinetics and oxidation of thiocarbohydrazide by hexacyanoferrate(III) in aqueous perchloric acid medium

  • Ravindra Kannappa Seetharam Department of Chemistry and Research in Chemistry, Visvesvaraya Technological University, S.E.A. College of Engineering and Technology
  • Vidyavati Ashok Shastry Department of Chemistry and Research in Chemistry, Visvesvaraya Technological University, S.E.A. College of Engineering and Technology
  • Siddalingiah Shashidhar Department of Chemistry, New Horizon College of Engineering
  • Mohan Kumar Department of Chemistry, PES Institute of Technology and Management
Ariticle ID: 265
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DOI: https://doi.org/10.59400/n-c.v1i1.265
Keywords: thiocarbohydrazide, hexacyanoferrate, oxidation, kinetics, mechanism

Abstract

Hexacyanoferrate(III) [HCF(III)] was used to oxidize thiocarbohydrazide (TCH) in an aqueous perchloric acid (HClO4) medium, and the reaction kinetics were studied spectrophotometrically at 420 nm while keeping a constant ionic strength of 1.0 mol dm−3 and modulating the temperature between 298K–318K. The stoichiometry of the reaction among TCH and HCF in the HClO4 medium is 1:2. The reaction has a lower than unit order in both TCH and HClO4 and is of the first order in HCF. The impact of varying the ionic strength and dielectric constant of the medium on the rate has been investigated. The effect of temperature on the reaction rate was studied, and different activation parameters of reaction Ea, ΔH#, ΔS#, ΔG#, and log10 A were calculated. The products of oxidation were analyzed by simple qualitative analysis. On the basis of the collected data, the rate law has been derived, and a probable mechanism has been proposed.

Author Biography

Mohan Kumar, Department of Chemistry, PES Institute of Technology and Management
Dr. Mohan Kumar is presently working as an Assistant Professor in the Department of Chemistry, PES Institute of Technology and Management, Shivamogga, India. He worked as a Post-Doctoral Research fellow at IAS, Shenzhen University, Shenzhen, China, and has held a teaching position at Jimma Institute of Technology, Jimma, Ethiopia. He received a Doctoral degree, Master of Technology in Nanoscience and Technology, and Masters of Science in Industrial Chemistry from Kuvempu University, Shivamogga, India. His research area is the Synthesis of Nanometal oxides, functionalized carbon nanotube and graphene-based materials, nanocomposites, and 2D-materials. Developing electrochemical sensors for biomolecules, drugs and organic pollutants, preparation of modified electrodes, and electro-polymerization. He has one Indian Patent and more than 34 research articles in peer-reviewed international journals to his credit. He has an experience of twelve years in teaching and research.

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Published
2023-12-26
How to Cite
Seetharam, R. K., Shastry, V. A., Shashidhar, S., & Kumar, M. (2023). Kinetics and oxidation of thiocarbohydrazide by hexacyanoferrate(III) in aqueous perchloric acid medium. Nano Carbons, 1(1), 265. https://doi.org/10.59400/n-c.v1i1.265
Issue
Vol. 1 No. 1 (2023)
Section
Original Research Article

Copyright (c) 2023 Ravindra Kannappa Seetharam, Vidyavati Ashok Shastry, Siddalingiah Shashidhar, Mohan Kumar

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