CLASS 10 · LEARNING KNOWLEDGE
Redox equations and half-equations – basic principles
How it works
Redox reactions are chemical reactions in which electrons are transferred. A redox reaction consists of an oxidation (release of electrons) and a reduction (uptake of electrons). To set up a redox equation, the two half-equations (oxidation and reduction) are formulated and then balanced so that the number of electrons on both sides is equal. In doing so, atomic balance and charge balance must be observed. Typical examples are reactions of metals with nonmetals or reactions of ions in solutions.
Note
Redox equations are created by setting up the oxidation and reduction half-equations, balancing electrons, and combining the half-equations so that the number of electrons, the atomic balance, and the charges match.
Redox equations are created by setting up the oxidation and reduction half-equations, balancing electrons, and combining the half-equations so that the number of electrons, the atomic balance, and the charges match.
An example
Which statement best describes oxidation in a redox reaction?
Oxidation is the release of electrons. In a redox reaction, the substance that is oxidized releases electrons.
Try it yourself now
50 Exercises
To the learning unit →Own explanation and own practice exercises by AmyMath. Subject reference framework: Chemistry. The topic assignment may vary by federal state.