Directions: Determine if the following chemical reactions are oxidation-reduction reactions or not. If the chemical reaction is NOT a redox reaction, write NONREDOX; otherwise, balance it by oxidation number method and determine the oxidizing and reducing agents. Show your solution following the step-by-step process of the said method and do consider the criteria given below. 2. Cr₂O7-2 + 2OH-→ 2Cr₂O4 -2 + H₂O Redox or Nonredox? If REDOX: Balanced equation:

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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.