Podcast
Questions and Answers
What is the electrolyte used in the Standard Hydrogen Electrode (SHE)?
What is the electrolyte used in the Standard Hydrogen Electrode (SHE)?
- 1 molar solution of hydrogen ions (H+) (correct)
- 1 molar solution of sulfuric acid
- 1 molar solution of potassium hydroxide
- 1 molar solution of sodium chloride
What is produced at the cathode during the reaction in zinc-manganese dioxide batteries?
What is produced at the cathode during the reaction in zinc-manganese dioxide batteries?
- Hydrogen gas (H₂)
- Zinc ions (Zn²⁺)
- Ammonia (NH₃)
- Manganese hydroxide (MnO(OH)) (correct)
What is the function of the Standard Hydrogen Electrode (SHE)?
What is the function of the Standard Hydrogen Electrode (SHE)?
- To generate electrical energy for devices
- To act as a rechargeable power source
- To catalyze chemical reactions
- To act as a reference electrode for measuring electrode potentials (correct)
What happens when zinc chloride (ZnCl₂) interacts with ammonia (NH₃) in the presence of zinc-manganese dioxide batteries?
What happens when zinc chloride (ZnCl₂) interacts with ammonia (NH₃) in the presence of zinc-manganese dioxide batteries?
What is the reaction at the anode in a zinc-manganese dioxide battery?
What is the reaction at the anode in a zinc-manganese dioxide battery?
Flashcards
Standard Hydrogen Electrode (SHE)
Standard Hydrogen Electrode (SHE)
A reference electrode used to measure other electrode potentials, enabling determination of standard electrode potentials.
SHE Construction
SHE Construction
A glass tube with a platinum electrode coated in platinum black, containing a 1 molar solution of hydrogen ions (H+) and exposed to pure hydrogen gas at atmospheric pressure.
Anode Reaction in Zinc-Manganese Dioxide Batteries
Anode Reaction in Zinc-Manganese Dioxide Batteries
The reaction that occurs at the anode, where zinc loses electrons and forms zinc ions.
Cathode Reaction in Zinc-Manganese Dioxide Batteries
Cathode Reaction in Zinc-Manganese Dioxide Batteries
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Overall Reaction in Zinc-Manganese Dioxide Batteries
Overall Reaction in Zinc-Manganese Dioxide Batteries
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