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When an electrolytic cell is used for silver-plating a spoon, an electric current is passed through an electrolyte solution containing silver ions. The spoon serves as the cathode (negative electrode), attracting silver ions from the solution, which then reduce and deposit as metallic silver on its surface. Simultaneously, oxidation occurs at the anode, often involving a silver electrode that releases more silver ions into the solution. This process allows for a thin, even layer of silver to be plated onto the spoon.
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Where does reactions occur in a electrolytic cell?
In an electrolytic cell
What kind of cell has a nonspontaneous?
An electrolytic cell
Why cathode is positive in electrochemical cell but different in electrolytic cell?
In an electrochemical cell (galvanic cell), the cathode is positive because it is where reduction occurs, attracting cations from the electrolyte. Conversely, in an electrolytic cell, the cathode is negative because it is connected to the external power source, which forces electrons into the electrode, facilitating reduction at that terminal. Thus, the polarity of the cathode changes depending on the type of cell and the direction of the current flow.
What kind of cell has non spontaneous voltage?
Electrolytic cell
Non-spontaneous reaction be in an electrolytic cell?
A non-spontaneous reaction occurs in an electrolytic cell where an external voltage is applied to drive a chemical reaction that would not occur naturally. In this setup, electrical energy is converted into chemical energy, facilitating processes like electrolysis. For example, the decomposition of water into hydrogen and oxygen gases requires an electrolytic cell to supply the necessary energy to overcome the activation barrier. Overall, electrolytic cells are crucial in various applications, including metal plating and the production of chemical compounds.
What happens in the cathode in an electrolytic cell?
Reduction occurs at the cathode in an electrolytic cell.
What happens at the anode of an electrolytic cell?
Oxidation occurs at the anode of an electrolytic cell.
What energy transformation occurs in an electrolytic cell?
In an electrolytic cell, electrical energy is transformed into chemical energy. This occurs when an external voltage is applied to drive a non-spontaneous redox reaction to produce a desired chemical product.
Where does reduction occur in an electrolytic cell?
Reduction occurs at the cathode in an electrolytic cell. This is where cations in the electrolyte solution gain electrons and get reduced, leading to the deposition of a substance onto the cathode.
What kind of cell has a negative cell voltage?
An electrolytic cell
In which cell does a current drive a nonspontaneous redox reaction?
A nonspontaneous redox reaction is driven by an external source of electrical energy, such as a battery, when a current passes through the electrolytic cell. In an electrolytic cell, the anode is positive and the cathode is negative; electrons flow from the anode to the cathode, and oxidation occurs at the anode while reduction occurs at the cathode.
Where does reactions occur in a electrolytic cell?
In an electrolytic cell
Picture electrolytic cell for the extraction of sodium chloride?
Diagram of electrolytic cell
Is the anode positive or negative in an electrolytic cell?
In an electrolytic cell, the anode is positive.
Which electrode gets heavier in an electrolytic cell?
The electrode where reduction occurs.
What is the significance of anode polarity in electrochemistry?
The significance of anode polarity in electrochemistry is that it determines the direction of electron flow in a galvanic cell or electrolytic cell. The anode is where oxidation occurs, and it is positively charged in a galvanic cell and negatively charged in an electrolytic cell. This polarity affects the overall reaction and the flow of ions in the cell.
What happens at the cathode in an electrolytic cell?
Reduction occurs at the cathode in an electrolytic cell.
