12Oxidation Reduction Redox EquationsEasy1 markCopper(I) iodide is produced by the reaction shown.2CuSO4(aq)+4KI(aq)→2CuI(s)+I2(aq)+2K2SO4(aq)Which statement about this reaction is correct?AAll iodide ions act as oxidising agents.BAll iodide ions act as reducing agents.CAll copper ions act as oxidising agents.DAll copper ions act as reducing agents.Grade answerSolutionGrading criteria