Podcast
Questions and Answers
Which electrode in the Daniell cell is associated with the reduction half reaction?
Which electrode in the Daniell cell is associated with the reduction half reaction?
- Zinc electrode
- Carbon electrode
- Platinum electrode
- Copper electrode (correct)
What is the term used to describe the separate portions of the Daniell cell?
What is the term used to describe the separate portions of the Daniell cell?
- Electrochemical reactors
- Oxidation chambers
- Ionic compartments
- Redox couple (correct)
Which of the following statements is true regarding the zinc electrode in the Daniell cell?
Which of the following statements is true regarding the zinc electrode in the Daniell cell?
- It is involved in the reduction reaction.
- It facilitates the oxidation half-reaction. (correct)
- It does not participate in electron transfer.
- It is called the reduction half-cell.
In the context of a Daniell cell, which reaction is primarily taking place at the zinc electrode?
In the context of a Daniell cell, which reaction is primarily taking place at the zinc electrode?
How are the two electrodes in the Daniell cell categorized?
How are the two electrodes in the Daniell cell categorized?
Study Notes
Daniell Cell Overview
- The Daniell cell consists of two electrodes: a copper electrode and a zinc electrode.
- Each electrode participates in a specific half-reaction; these are known as half-cells or redox couples.
Reduction Half-Reaction
- Occurs at the copper electrode.
- Involves the gain of electrons (reduction), leading to the deposition of copper.
- Copper is the cathode in the cell, where reduction takes place.
Oxidation Half-Reaction
- Takes place at the zinc electrode.
- Involves the loss of electrons (oxidation), resulting in the dissolution of zinc.
- Zinc acts as the anode in the cell, where oxidation occurs.
Terminology
- The copper electrode is referred to as the reduction half-cell.
- The zinc electrode is termed the oxidation half-cell.
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Description
Test your knowledge on the Daniell cell and its reactions! This quiz covers the reduction and oxidation half reactions occurring at the copper and zinc electrodes. Understand the concepts of half-cells and redox couples better through this engaging quiz.
