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Questions and Answers
In the context of electrolysis, according to Faraday's first law, what is the relationship between the mass of substance deposited or liberated and the amount of charge passed?
In the context of electrolysis, according to Faraday's first law, what is the relationship between the mass of substance deposited or liberated and the amount of charge passed?
- Inversely proportional
- No relationship
- Exponential relationship
- Directly proportional (correct)
What does the term 'electrochemical equivalent' refer to in the context of electrolysis?
What does the term 'electrochemical equivalent' refer to in the context of electrolysis?
- Time taken for deposition
- Molar mass of the substance
- Mass of substance deposited per unit charge passed (correct)
- Amount of charge passed
When a solution of Ag is electrolyzed with a current of 1.5 amperes, what is the equivalent weight of Ag if 10g of copper is deposited at the cathode in 20 minutes?
When a solution of Ag is electrolyzed with a current of 1.5 amperes, what is the equivalent weight of Ag if 10g of copper is deposited at the cathode in 20 minutes?
- $0.5 \text{ g}$
- $0.2938 \text{ g}$ (correct)
- $0.15 \text{ g}$
- $0.1 \text{ g}$
What is the mass of nickel that will be deposited at the cathode if a current of 5.0 amperes is passed through a Ni solution for 20 minutes?
What is the mass of nickel that will be deposited at the cathode if a current of 5.0 amperes is passed through a Ni solution for 20 minutes?
What does Gibbs free energy represent in the context of electrochemical reactions?
What does Gibbs free energy represent in the context of electrochemical reactions?
How is Gibbs free energy related to the spontaneity of a chemical reaction?
How is Gibbs free energy related to the spontaneity of a chemical reaction?
What is the significance of Faraday's second law of electrolysis?
What is the significance of Faraday's second law of electrolysis?
How can one calculate the electrochemical equivalent of a substance?
How can one calculate the electrochemical equivalent of a substance?
What is the role of Faraday's constant in electrolysis calculations?
What is the role of Faraday's constant in electrolysis calculations?
