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JAMB Chemistry 2021 Question 8

Question 8

Electrolysis

The process that takes place during electrolysis is

  1. A.positive ions are discharged at the anode by gaining sufficient electrons to become neutral
  2. B.negative ions are discharged at the anode by gaining sufficient electrons to become neutral
  3. C.negative ions are discharged at the anode by losing sufficient electrons to become neutral
  4. D.positive ions are discharged at the anode by losing sufficient electrons to become neutral
Show the answer and explanation

Answer: C (negative ions are discharged at the anode by losing sufficient electrons to become neutral)

Explanation

Negative ions (anions) move to the positive anode, where they give up electrons (oxidation) and become neutral atoms or molecules.