RoseMarie Gallagher and Paul Ingram Solutions for Chapter: Electricity and Chemical Change, Exercise 3: Q

At which electrode does reduction always take place?

Give the half-equation for the reaction at the anode, during the electrolysis of molten potassium chloride. 

Give the half-equation for the reaction at the anode, during the electrolysis of molten calcium oxide. 

Give the two half-equations for the electrolysis of a concentrated solution of hydrochloric acid, $\mathrm{HCI}$. 

Give the two half-equations for the electrolysis of a dilute solution of sodium nitrate, ${\mathrm{NaNO}}_3$. 

Give the two half-equations for the electrolysis of a dilute solution of copper$\left(\mathrm{II}\right)$ chloride, ${\mathrm{CuCl}}_2$.