Which of the following compounds gives ethane upon electrolysis of its aqueous solution?

Which of the following elements is extracted industrially by the electrolysis of its aqueous solution?

Molten $CuCl_2$ is electrolysed using platinum electrodes. The reaction occurring at the anode is:

Which of the following statements is correct regarding the electrolysis of molten $NaCl$?

The incorrect statement about the Castner-Kellner cell process is

During an electrolysis experiment,a current of $100 \ mA$ is passed through a solution of $AgNO_3$ for $30 \ minutes$. Calculate the total charge in Coulombs used.