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In a Daniell cell, which species is reduced?

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Question: In a Daniell cell, which species is reduced?

Options:

  1. Zn
  2. Cu²⁺
  3. Zn²⁺
  4. Cu

Correct Answer: Cu²⁺

Solution: 

In a Daniell cell, Cu²⁺ is reduced to Cu at the cathode.

In a Daniell cell, which species is reduced?

Practice Questions

Q1
In a Daniell cell, which species is reduced?
  1. Zn
  2. Cu²⁺
  3. Zn²⁺
  4. Cu

Questions & Step-by-Step Solutions

In a Daniell cell, which species is reduced?
  • Step 1: Understand what a Daniell cell is. It is a type of electrochemical cell that generates electricity through a chemical reaction.
  • Step 2: Identify the two electrodes in the Daniell cell: the anode and the cathode.
  • Step 3: Know that reduction is the gain of electrons. This occurs at the cathode.
  • Step 4: In a Daniell cell, copper ions (Cu²⁺) are present in the solution at the cathode.
  • Step 5: When Cu²⁺ gains electrons, it is converted into solid copper (Cu). This process is called reduction.
  • Step 6: Therefore, in a Daniell cell, Cu²⁺ is the species that is reduced at the cathode.
  • Electrochemistry – Understanding the processes of oxidation and reduction in electrochemical cells.
  • Daniell Cell – A type of galvanic cell that uses copper and zinc electrodes to generate electrical energy.
  • Reduction and Oxidation – Identifying which species gains electrons (is reduced) and which loses electrons (is oxidized) in a redox reaction.
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