Podcast
Questions and Answers
What is the main difference between electrolytic cells and galvanic cells?
What is the main difference between electrolytic cells and galvanic cells?
- Electrolytic cells use external electrical energy to drive non-spontaneous reactions. (correct)
- Electrolytic cells generate electrical energy from chemical reactions.
- Galvanic cells use external electrical energy to drive non-spontaneous reactions.
- Galvanic cells rely on the movement of ions in solution.
In an electrolytic cell, which electrode is positive and why?
In an electrolytic cell, which electrode is positive and why?
- The anode is positive as it is connected to the positive pole of the power supply. (correct)
- The anode is positive to allow reduction.
- The cathode is positive as it is connected to the negative pole of the power supply.
- The cathode is positive to allow oxidation.
What occurs at the cathode in an electrolytic cell?
What occurs at the cathode in an electrolytic cell?
- Cations move towards it.
- Oxidation takes place.
- Reduction takes place. (correct)
- Anions move towards it.
What happens to cations and anions in an electrolytic cell?
What happens to cations and anions in an electrolytic cell?
What is the purpose of electroplating?
What is the purpose of electroplating?
In the electroplating of an iron spoon with silver, what serves as the cathode where silver ions are reduced and deposited?
In the electroplating of an iron spoon with silver, what serves as the cathode where silver ions are reduced and deposited?
In the refining of copper through electrolysis, what happens at the anode?
In the refining of copper through electrolysis, what happens at the anode?
Which of the following is produced during the electrolysis of a concentrated sodium chloride solution (brine)?
Which of the following is produced during the electrolysis of a concentrated sodium chloride solution (brine)?
What is the purpose of schematic diagrams in the context of electrolysis processes?
What is the purpose of schematic diagrams in the context of electrolysis processes?
Which of the following statements best describes the importance of understanding electrolytic cells?
Which of the following statements best describes the importance of understanding electrolytic cells?
What is the purpose of electroplating an iron spoon with silver?
What is the purpose of electroplating an iron spoon with silver?
In the electrolysis of sodium chloride, what is produced at the cathode?
In the electrolysis of sodium chloride, what is produced at the cathode?
What happens to impure copper during the refining process using electrolysis?
What happens to impure copper during the refining process using electrolysis?
What is the role of mercury, diaphragm, and membrane cells in the electrolysis of sodium chloride?
What is the role of mercury, diaphragm, and membrane cells in the electrolysis of sodium chloride?
What is one of the benefits of using schematic diagrams in understanding electrolysis processes?
What is one of the benefits of using schematic diagrams in understanding electrolysis processes?
Which process ensures the production of high-purity copper?
Which process ensures the production of high-purity copper?
What is transferred from the impure anode to the cathode during copper refining?
What is transferred from the impure anode to the cathode during copper refining?
Why is it important to understand electrolytic cells in modern technology and industry?
Why is it important to understand electrolytic cells in modern technology and industry?
What does each specific configuration of mercury, diaphragm, and membrane cells provide in the chlor-alkali industry?
What does each specific configuration of mercury, diaphragm, and membrane cells provide in the chlor-alkali industry?
What role does pure copper play in the refining process where impure copper serves as the anode?
What role does pure copper play in the refining process where impure copper serves as the anode?
What type of energy is used to drive non-spontaneous chemical reactions in electrolytic cells?
What type of energy is used to drive non-spontaneous chemical reactions in electrolytic cells?
In an electrolytic cell, where do cations move towards?
In an electrolytic cell, where do cations move towards?
What is the product formed at the anode during the electrolysis of copper(II) chloride?
What is the product formed at the anode during the electrolysis of copper(II) chloride?
What is deposited at the cathode during the electrolysis of copper(II) chloride?
What is deposited at the cathode during the electrolysis of copper(II) chloride?
In electroplating, what process involves depositing a layer of metal onto an object?
In electroplating, what process involves depositing a layer of metal onto an object?
Which electrode in an electrolytic cell is connected to the negative pole of the power supply?
Which electrode in an electrolytic cell is connected to the negative pole of the power supply?
What drives electrons flow from the anode to the cathode in an electrolytic cell?
What drives electrons flow from the anode to the cathode in an electrolytic cell?
During the decomposition of copper(II) chloride into copper metal and chlorine gas, what happens at the cathode?
During the decomposition of copper(II) chloride into copper metal and chlorine gas, what happens at the cathode?
$CuCl_2$ decomposes into chlorine gas and copper at different locations in an electrolytic cell. Where does this decomposition occur?
$CuCl_2$ decomposes into chlorine gas and copper at different locations in an electrolytic cell. Where does this decomposition occur?
What is one major difference between galvanic cells and electrolytic cells based on the provided information?
What is one major difference between galvanic cells and electrolytic cells based on the provided information?
What is the purpose of using sodium hydroxide in the electrolysis of sodium chloride?
What is the purpose of using sodium hydroxide in the electrolysis of sodium chloride?
In the electrolytic cell for refining copper, what is the purpose of impure copper serving as the anode?
In the electrolytic cell for refining copper, what is the purpose of impure copper serving as the anode?
What is the role of a membrane cell in the electrolysis of sodium chloride?
What is the role of a membrane cell in the electrolysis of sodium chloride?
How does the electrolysis of brine in the chlor-alkali industry contribute to environmental impacts?
How does the electrolysis of brine in the chlor-alkali industry contribute to environmental impacts?
Why is it crucial for impurities to remain at the anode during the copper refining process?
Why is it crucial for impurities to remain at the anode during the copper refining process?
What is a significant consequence of using mercury cells in the electrolysis of sodium chloride?
What is a significant consequence of using mercury cells in the electrolysis of sodium chloride?
In the production of high-purity copper through electrolysis, what is one potential hazard associated with working with impure copper?
In the production of high-purity copper through electrolysis, what is one potential hazard associated with working with impure copper?
What is a primary reason for using diaphragm cells in the electrolysis of sodium chloride?
What is a primary reason for using diaphragm cells in the electrolysis of sodium chloride?
What is the purpose of the anode in an electrolytic cell?
What is the purpose of the anode in an electrolytic cell?
During the electrolysis of copper(II) chloride, what is the role of Cl⁻ ions?
During the electrolysis of copper(II) chloride, what is the role of Cl⁻ ions?
What is the overall cell reaction during the decomposition of copper(II) chloride in an electrolytic cell?
What is the overall cell reaction during the decomposition of copper(II) chloride in an electrolytic cell?
In an electrolytic cell, which electrode is connected to the negative pole of the power supply?
In an electrolytic cell, which electrode is connected to the negative pole of the power supply?
What happens to copper ions during the electrolysis of copper(II) chloride?
What happens to copper ions during the electrolysis of copper(II) chloride?
Which electrode in an electrolytic cell attracts anions?
Which electrode in an electrolytic cell attracts anions?
What drives cations towards the cathode in an electrolytic cell?
What drives cations towards the cathode in an electrolytic cell?
In an electrolytic cell, what flows through the external circuit?
In an electrolytic cell, what flows through the external circuit?
What is the role of electrons in an electrolytic cell?
What is the role of electrons in an electrolytic cell?
What is the primary function of cations in an electrolytic cell?
What is the primary function of cations in an electrolytic cell?
