Oxidation | Wikipedia audio article
Channel: Subhajit Sahu
Date: 2018-12-08

This is an audio version of the Wikipedia Article:
Oxidation


00:01:41 1 Etymology
00:04:03 2 Definitions
00:05:23 3 Oxidizing and reducing agents
00:06:03 3.1 Oxidizers
00:07:02 3.2 Reducers
00:08:18 4 Standard electrode potentials (reduction potentials)
00:09:59 5 Examples of redox reactions
00:10:05 5.1 Metal displacement
00:11:36 5.2 Other examples
00:12:34 5.2.1 Corrosion and rusting
00:13:27 6 Redox reactions in industry
00:14:25 7 Redox reactions in biology
00:15:46 7.1 Redox cycling
00:18:44 8 Redox reactions in geology
00:19:29 9 Balancing redox reactions
00:20:17 9.1 Acidic media
00:20:47 9.2 Basic media
00:22:02 10 Mnemonics
00:22:59 11 See also



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SUMMARY
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Redox (short for reduction–oxidation reaction) (pronunciation:  redoks or  reedoks) is a chemical reaction in which the oxidation states of atoms are changed. Any such reaction involves both a reduction process and a complementary oxidation process, two key concepts involved with electron transfer processes. Redox reactions include all chemical reactions in which atoms have their oxidation state changed; in general, redox reactions involve the transfer of electrons between chemical species. The chemical species from which the electron is stripped is said to have been oxidized, while the chemical species to which the electron is added is said to have been reduced. It can be explained in simple terms:

Oxidation is the loss of electrons or an increase in oxidation state by a molecule, atom, or ion.
Reduction is the gain of electrons or a decrease in oxidation state by a molecule, atom, or ion.As an example, during the combustion of wood, oxygen from the air is reduced, gaining electrons from carbon which is oxidized. Although oxidation reactions are commonly associated with the formation of oxides from oxygen molecules, oxygen is not necessarily included in such reactions, as other chemical species can serve the same function.The reaction can occur relatively slowly, as with the formation of rust, or more quickly, in the case of fire. There are simple redox processes, such as the oxidation of carbon to yield carbon dioxide (CO2) or the reduction of carbon by hydrogen to yield methane (CH4), and more complex processes such as the oxidation of glucose (C6H12O6) in the human body.