Question

Which of the following statements is true about the purification of Copper?

• A. An aqueous solution of Sodium hydroxide is used as an electrolyte as it is a good conductor of electric current.
• B. Impure copper is connected to Anode
• C. Gangue collected below the impure copper during the electrolysis is called Cathode Mud
• D. A thick Copper plate is connected to Cathode

Answer 1

The correct option is B Impure copper is connected to Anode

• Impure copper is connected to Anode.
• Gangue collected below the impure copper during the electrolysis is called Anode Mud.
• An aqueous solution of Copper sulphate is used as an electrolyte as it is a good conductor of electric current.
• A thick impure Copper plate is connected to Anode.