2 Magnesium and lead have similar first and second ionization energies, yet their reactivity with acid: M (s) + 2H* (aq) → M²* (aq) + H2 (g) AHrxn (where M = Mg or Pb) is very different. (a) Split the chemical equation into oxidative and reductive half-reactions.

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Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.