Oxidation and Reduction
Oxidation – gain of oxygen, loss of hydrogen, loss of electrons, increase in oxidation state
Reduction – loss of oxygen, gain of hydrogen, gain of electrons, , decrease in oxidation state
Oxidation Number/ Oxidation State
Oxidation state (number) is the charge an atom of an element would have if it existed as an ion in a compound.
Oxidising Agent and Reducing Agent
Oxidising agent : A substance that causes another substance to be oxidised while itself being reduced.
Reducing agent: A substance that causes another substance to be reduced while itself being oxidised