Chemistry 5070 · O Level · Electrolysis

Electrolysis — practice question

Dilute sulfuric acid undergoes electrolysis. Hydrogen gas and oxygen gas are formed. Which row shows the correct description of what occurs?

  • Aoxygen produced at the anode; hydrogen produced at the cathode; concentration of acid decreases
  • Boxygen produced at the anode; hydrogen produced at the cathode; concentration of acid increases
  • Coxygen produced at the cathode; hydrogen produced at the anode; concentration of acid decreases
  • Doxygen produced at the cathode; hydrogen produced at the anode; concentration of acid increases

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