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Electrolysis summarized
Electrolysis is the process of using electrical current to separate compounds into their component ions. In an electrolytic cell, anions move toward the positively charged anode where they lose electrons and cations move toward the negatively charged cathode where they gain electrons, resulting in the production of neutral elements at each electrode. The flow of electrons through the circuit provides the charges needed at each electrode to attract the opposite ions.
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Electrolysis summarized
- 1. A brief overviewof what electrolysis is and how it works
- 2. Electrolysis is thechemical separation of an ionic compound using a direct electrical current. WHAT IS ELECTROLYSIS?
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- 4. THE ELECTROLYTIC CELL Thecathode is negatively charged. It attracts positively charged ions (cations)The anode is positively charged. It attracts negatively charged ions (anions) The power source provides electrical current that gives the electrodes their respective charges These are known as electrodes. They are usually a metallic (or in the case of graphite – a non- metallic) conductor
- 5. HOW ELECTROLYSIS WORKS Anionsmove towards the positive electrode (anode). In doing so, they lose electrons to become a neutral element. nXn- - ne- -> Xn The cations move towards this negatively charged electrode (cathode). In doing so, they gain electrons to become an electrically neutral element. Yn+ + ne- -> Y The electrons from the anions then move along the circuit through the power source to the negative electrode These electrons then provide the negative charge for the negative electrode (cathode)
- 6. HOW ELECTROLYSIS WORKS Anionsmove towards the positive electrode (anode). In doing so, they lose electrons to become a neutral element. nXn- - ne- -> Xn The cations move towards this negatively charged electrode (cathode). In doing so, they gain electrons to become an electrically neutral element. Yn+ + ne- -> Y The electrons from the anions then move along the circuit through the power source to the negative electrode These electrons then provide the negative charge for the negative electrode (cathode)