Podcast
Questions and Answers
What is the electrode potential for the disproportionation reaction involving Cu2+ ions?
What is the electrode potential for the disproportionation reaction involving Cu2+ ions?
- +0.52V
- +0.15V
- +0.37V (correct)
- +0.34V
Which type of electrochemical cell is commonly used as a source of energy for commercial use?
Which type of electrochemical cell is commonly used as a source of energy for commercial use?
- Fuel cells (correct)
- Rechargeable cells
- Non-rechargeable cells
- Hydrogen fuel cells
What is the main waste product produced in a hydrogen fuel cell?
What is the main waste product produced in a hydrogen fuel cell?
- Oxygen
- Methane
- Carbon dioxide
- Water (correct)
Why are fuel cells considered advantageous for generating electrical current?
Why are fuel cells considered advantageous for generating electrical current?
What is one of the downsides of hydrogen fuel cells?
What is one of the downsides of hydrogen fuel cells?
Based on the provided electrode potentials, is the disproportionation reaction thermodynamically feasible?
Based on the provided electrode potentials, is the disproportionation reaction thermodynamically feasible?
What aspect of a reaction does the cell emf value indicate?
What aspect of a reaction does the cell emf value indicate?
Why might a reaction not actually occur even if it is thermodynamically feasible?
Why might a reaction not actually occur even if it is thermodynamically feasible?
What series can standard electrode potentials be ordered into?
What series can standard electrode potentials be ordered into?
Which type of electrode potentials are better oxidising agents?
Which type of electrode potentials are better oxidising agents?
In a disproportionation reaction, what happens to the oxidation number of a species?
In a disproportionation reaction, what happens to the oxidation number of a species?
How can electrode potentials help determine if a species will undergo disproportionation?
How can electrode potentials help determine if a species will undergo disproportionation?
How does increasing the concentration of the solutions in an electrochemical cell affect the cell emf?
How does increasing the concentration of the solutions in an electrochemical cell affect the cell emf?
Which of the following is the most correct statement about the relationship between cell emf and entropy change?
Which of the following is the most correct statement about the relationship between cell emf and entropy change?
Which of the following electrochemical cells could be used to study disproportionation reactions?
Which of the following electrochemical cells could be used to study disproportionation reactions?
What is the effect of increasing the pressure on the cell emf?
What is the effect of increasing the pressure on the cell emf?
What is a major limitation in using the standard hydrogen electrode (SHE) to determine the feasibility of a reaction?
What is a major limitation in using the standard hydrogen electrode (SHE) to determine the feasibility of a reaction?
Which type of electrochemical cell is most commonly used in commercial applications?
Which type of electrochemical cell is most commonly used in commercial applications?
