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What is the role of the cathode in an electrochemical cell?

Practice Questions

Q1
What is the role of the cathode in an electrochemical cell?
  1. Oxidation occurs
  2. Reduction occurs
  3. Electrons are lost
  4. Ions are produced

Questions & Step-by-Step Solutions

What is the role of the cathode in an electrochemical cell?
  • Step 1: Understand what an electrochemical cell is. It is a device that converts chemical energy into electrical energy or vice versa.
  • Step 2: Identify the two main parts of an electrochemical cell: the anode and the cathode.
  • Step 3: Know that the cathode is the electrode where reduction occurs. Reduction means gaining electrons.
  • Step 4: Remember that in a galvanic (voltaic) cell, the cathode is positive, while in an electrolytic cell, it is negative.
  • Step 5: Realize that the cathode attracts cations (positively charged ions) from the solution.
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