Given a redox reaction: 3S(k) + 2KClO3 (k) 3SO2 (g) + 2KCl (k) a) Identify and underline the element atoms of reactants undergo change in oxidation number. b) Determine the reactants that undergo reduction-oxidation include their product, and calculate its oxidation number change. c) Determine the reactant behaves as oxidant and reductant.

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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.