Definitions of oxidation and reduction and charascteristics with examples

Oxidation is gain of oxygen. Reduction is loss of oxygen. Because both reduction and oxidation are going on side-by-side, this is known as a redox reaction.

Oxidation is loss of hydrogen. Reduction is gain of hydrogen.

Oxidation the action or process of reacting with oxygen, especially the addition of oxygen to a substance. the loss or removal of hydrogen from a substance. the loss or removal of one or more electrons from a molecular entity, with or without concomitant loss or removal of a proton or protons. In this sense, oxidation is the opposite of, and is always coupled to, reduction. the increase to a more positive value of the oxidation number of an atom, whether the atom is uncharged or charged, and whether free or covalently bound.

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

Oxidation is loss of electrons. Reduction is gain of electrons.