Chemical changes case 076 acid-base-boundary. A student sorts acid, alkali and base statements. Which option keeps the terms distinct? Focus on that oxygen produced the anode unless the solution in Electrolysis of aqueous solutions, not on a neighbouring Unit 4.4 reaction idea.

The correct option is Chemical changes case 076 acid-base-boundary: Keeps the acid-base distinction tied to the named substance for that oxygen produced the anode unless the solution.

The correct option is Chemical changes case 076 acid-base-boundary: Keeps the acid-base distinction tied to the named substance for that oxygen produced the anode unless the solution. It is correct because it directly supports the approved learning objective to predict that oxygen is produced at the anode unless the solution contains halide ions in Electrolysis of aqueous solutions. The other options are incorrect because they blur a Unit 4.4 concept boundary: acid versus alkali versus base, oxidation versus reduction, displacement versus reduction, electrolysis versus electroplating, anode versus cathode, positive versus negative ions, oxidation state versus ionic charge, or strong acid versus concentrated acid.