BRAINCAKEIonic Equations
Ionic half-equations show either the species that are oxidised
Fe → Fe3+ + 3e-
or the species that are reduced
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Key terms in this lesson
- oxidation
- The loss of electrons by an atom, ion or molecule, or an increase in oxidation number.
- reduction
- The gain of electrons by an atom, ion or molecule, or a decrease in oxidation number.
More in Electrochemistry
- Oxidation and Reduction
- Electrochemical Half Cells
- Electrochemical Cells
- The Standard Hydrogen Half Cell
- Standard Electrode Potential Eθ and the Electrochemical Series
- Calomel Electrode
- Standard Cell Potentials Eθcell Values and Electrochemical Cells
- Non-Standard Conditions
All 14 lessons in Electrochemistry · All OCR A-level Chemistry topics