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JAMB Chemistry 2011 Question 24

Question 24

Electrolysis

The function of zinc electrode in a galvanic cell is that it

  1. A.undergoes reduction
  2. B.serves as the positive electrode
  3. C.produces electons
  4. D.uses up electrons
Show the answer and explanation

Answer: C (produces electons)

Explanation

Zinc is the anode: it is oxidised (Zn → Zn2+ + 2e−), releasing electrons into the circuit.