ABSTRACT

Summary • Oxidation occurs at the anod

being oxidised lose their elec positively charged cations w towards the cathode.

     4aqFe2sFe4 22

• Reduction occurs at the cath charged ions in solution take coming from the oxidation re neutral atoms. The remaining anions tend to move towards

     2aqCusCu 2      2aqZnsZn 2     e2H2gH22

Ag2e22Ag2   H2e22H 2  sCue2Cu 2  

e. Neutral atoms trons and become hich tend to move

e Oxidation occurs

ode. Positively up the electrons action and become negatively charged the anode

e e

when the oxidation number of an atom is increased (loss of electrons).