This page discusses the various definitions of oxidation and reduction (redox) in terms of the transfer of oxygen, hydrogen, and electrons. It also explains the terms oxidizing agent and reducing agent.

Jun 9, 2025 · Reduction is a chemical reaction where a substance gains electrons and decreases its oxidation number. Examples of reduction include reactions between zinc and hydrogen ions, and …

This tutorial covers oxidation, reduction, how the two combine to form redox reactions and the types of redox reactions and examples.

Apr 24, 2024 · Reduction is defined as the transfer of electrons between different chemical species as part of a chemical reaction. The species that receives the electrons is ‘reduced’ because of the …

Reduction: Reduction, on the other hand, involves the gain of electrons by a substance. In other words, it's when a substance loses oxygen, gains hydrogen, or gains electrons. When an atom or molecule …

Jan 2, 2026 · Reduction, any of a class of chemical reactions in which the number of electrons associated with an atom or a group of atoms is increased. The electrons taken up by the substance …

Aug 2, 2024 · Reduction and oxidation occur simultaneously in a type of chemical reaction called a reduction-oxidation or redox reaction. The oxidized species loses electrons, while the reduced …