Answer Happy

17,18 Draw the electrolysis cell for the electrolysis of molten BaBrz. Label the cathode and anode, the positive and negative electrodes, the electrodes where oxidation and reduction takes place, the site of metal deposition and the nonmetal deposition. Write the oxidation and reduction half reactions of the cell, and the balanced equation. 19 Draw the electrolysis cell for the electroplating of Zinc (+2) using a graphite electrode. Indicate which ion must be present in the solution, where the reduction takes place, the charge of the electrode and write the half reaction. 20 Name one purpose of the salt bridge in a Voltaic Cell.