In electrolysis, what happens to the ions in the electrolyte?

Practice Questions

Q1
In electrolysis, what happens to the ions in the electrolyte?
  1. They remain unchanged.
  2. They are oxidized or reduced at the electrodes.
  3. They evaporate into gas.
  4. They form a solid precipitate.

Questions & Step-by-Step Solutions

In electrolysis, what happens to the ions in the electrolyte?
  • Step 1: Electrolysis involves passing an electric current through a liquid called an electrolyte.
  • Step 2: The electrolyte contains ions, which are charged particles.
  • Step 3: When the electric current flows, the ions move towards the electrodes (the positive and negative terminals).
  • Step 4: Positive ions (cations) move towards the negative electrode (cathode) and gain electrons (reduction).
  • Step 5: Negative ions (anions) move towards the positive electrode (anode) and lose electrons (oxidation).
  • Step 6: This movement and change of electrons cause chemical reactions to occur at the electrodes.
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