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Related Concept Videos

Redox Reactions01:27

Redox Reactions

Redox reactions are vital biochemical processes that underpin energy metabolism in cells. These reactions involve the transfer of electrons between molecules, occurring in tandem as oxidation and reduction. Oxidation refers to the loss of electrons, while reduction denotes their gain. This coupling ensures the seamless flow of electrons through metabolic pathways. For example, in bacterial metabolism, glucose undergoes oxidation to carbon dioxide, while oxygen is simultaneously reduced to...
Redox Reactions01:24

Redox Reactions

Oxidation-reduction or redox reactions involve the transfer of electrons from one molecule or atom to another. When an atom gains an electron, another atom must lose an electron, meaning oxidation and reduction must occur together. Since the redox occurs in pairs, the atom that gets oxidized is also called the reducing agent or reductant, and the atom that is reduced is also called the oxidizing agent or oxidant. A straightforward way to remember the definitions of oxidation and reduction is...
Types of Reversible Electrodes01:24

Types of Reversible Electrodes

For electrode reversibility to be maintained, all the reactants and products involved in the half-reaction must be present at the electrode. There are several types of reversible electrodes (half-cells).In metal-metal-ion electrodes, a metal balances electrochemically with a solution of its own ions. Examples are Cu2+|Cu and Zn2+|Zn. Metals that react with the solvent, like group 1 and most group 2 metals, which react with water, and zinc, which reacts with aqueous acidic solutions, cannot be...
Properties of Transition Metals02:58

Properties of Transition Metals

Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.
Corrosion02:49

Corrosion

The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green patina that develops on copper are examples of corrosion. Corrosion involves the oxidation of metals. Sometimes it is protective, such as the oxidation of copper or aluminum, wherein a protective layer of metal oxide or its derivatives forms on the surface, protecting the underlying metal from further oxidation. In other cases, corrosion is...
Metal-Ligand Bonds02:51

Metal-Ligand Bonds

The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...

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Related Experiment Video

Updated: May 30, 2026

Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
06:53

Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Published on: June 9, 2023

Ionometallurgy: designer redox properties for metal processing.

A P Abbott1, G Frisch, S J Gurman

  • 1Department of Chemistry, University of Leicester, Leicester, LE1 7RH, UK.

Chemical Communications (Cambridge, England)
|August 11, 2011
PubMed
Summary

Researchers developed the first electrochemical series in a deep eutectic solvent (DES). This study explains how DES chemistry impacts electrochemical behavior, offering insights for technological applications.

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Area of Science:

  • Electrochemistry
  • Green Chemistry
  • Materials Science

Background:

  • Deep eutectic solvents (DES) offer unique chemical properties compared to traditional aqueous media.
  • Electrochemical series are fundamental for understanding redox reactions and material behavior.
  • Limited research exists on electrochemical series within non-aqueous solvent systems like DES.

Purpose of the Study:

  • To establish the first comprehensive electrochemical series in a choline chloride-based deep eutectic solvent.
  • To elucidate the influence of DES-specific speciation on electrochemical behavior.
  • To explore potential technological applications arising from the unique electrochemistry in DES.

Main Methods:

  • Electrochemical techniques were employed to determine standard electrode potentials.
  • Spectroscopic methods were used to analyze the speciation within the DES.
  • Comparative analysis was conducted between the DES and aqueous electrochemical series.

Main Results:

  • The electrochemical series in the choline chloride-based DES exhibits distinct similarities and differences compared to aqueous systems.
  • DES-specific chemical interactions and speciation significantly alter electrochemical potentials.
  • The unique electrochemical behavior was demonstrated in specific technologically relevant systems.

Conclusions:

  • The established electrochemical series provides a foundational understanding of electrochemistry in DES.
  • The unusual chemistry of DES, particularly speciation, is key to its electrochemical properties.
  • Exploiting these differences offers new avenues for electrochemical technologies and material design.