Lesson 7 – Redox Reactions

Redox Reduction – Oxidation Oxidation: is the loss of electrons or an increase in oxidation number Reduction: is the gain of electrons or a decrease in oxidation number This can easily be remembered with the mnemonic OILRIG: Oxidation Is Loss Reduction Is Gain Because the Magnesium has lost two electrons it has been Oxidised. However … Continue reading →

Lesson 6 – Oxidation States

When figuring out Oxidation States there are 5 certain rules that you must rememer: Rule 1: The Oxidation State of an uncombined element equals zero For example: For example: O2 [O] of each Oxygen is zero Ag = 0  F2 =0 Rule 2: The sum of all the oxidation states in a neutral compound is zero For … Continue reading →