During the electrolysis of aqueous KCl solution using inert electrodes, gaseous hydrogen is evolved at one electrode and

During the electrolysis of aqueous KCl solution using inert electrodes, gaseous hydrogen is evolved at one electrode and gaseous chlorine at the other electrode. The solution around the electrode at which hydrogen gas is evolved becomes basic as the electrolysis proceeds. Which of the following responses describe or are applicable to the cathode and the reaction that occurs at the cathode? (1) the positive electrode (2) the negative electrode (3) 2 Cl ? Cl+2e (4) 2 H2O gives O2+4H+4e (5) Cl2+2 e gives 2 CF (6) 2 H2O+2e gives H2+2 OH (7) electrons flow from the electrode to the external circuit (8) electrons flow into the electrode from the external circuit (9) oxidation (10) reduction (a) 2, 6, 8, 9 (b) 1, 5, 7, 9 (c) 2.5, 7, 9 (d) 1, 6, 8, 10 (e) 2, 6, 8, 10


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