1. Education

Discuss in my forum

Reduction Definition

Chemistry Glossary Definition of Reduction


Definition: A half-reaction in which a chemical species decreases its oxidation number, usually by gaining electrons.

Examples: The H+ ions, with an oxidation number of +1, are reduced to H2, with an oxidation number of 0, in the reaction: Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g).

©2014 About.com. All rights reserved.