During the electrolysis of acidified water, one appropriate observation at the cathode is the formation of hydrogen gas (H2). Hydrogen gas is generated at the cathode as a result of the reduction of positively charged hydrogen ions (H+) in the solution.
At the anode, one appropriate observation is the formation of oxygen gas (O2). Oxygen gas is produced at the anode through the oxidation of negatively charged hydroxide ions (OH-) in the solution.
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Answer:
Cathode: Formation of Hydrogen Gas
Anode: Formation of Oxygen Gas
Explanation:
During the electrolysis of acidified water, one appropriate observation at the cathode is the formation of hydrogen gas (H2). Hydrogen gas is generated at the cathode as a result of the reduction of positively charged hydrogen ions (H+) in the solution.
At the anode, one appropriate observation is the formation of oxygen gas (O2). Oxygen gas is produced at the anode through the oxidation of negatively charged hydroxide ions (OH-) in the solution.
Verified answer
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During electrolysis of acidified water using platinum electrodes, hydrogen is liberated at the cathode.
At the cathode, H + e− → 1/2 H ²
At the anode, OH− is oxidized to oxygen
2OH− →O ² + H2O + 2e–
2 O → O²
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