What is oxidation and reduction?
Reactions can be explained in terms of loss and gain of electrons. Oxidation is Loss of electrons and Reduction is gain of electrons. When electrons are lost oxidation number increases, whereas reduction leads to a decreased oxidation number.The acronym OIL RIG can be used.
CH
Related Chemistry GCSE answers
All answers ▸Explain why giant ionic lattices can conduct electricity when molten or in solution rather than as a solid.
solid magnesium cannot flow, but liquid magnesium can. Explain why. (3)
Aluminium is protected from rust by a layer of oxidised Al2O3. Can you write a balanced equation for the formation of this layer?
Describe the trend in reactivity in group 1 alkali metals.