Purification of aluminum by electroysic refiering is known as

Options

A. Hall's process
B. Baeyer's process
C. Hoope's process
D. Serpeck's process

Answer

C

Explanation

Purification of aluminium by electrolytic refining is known as Hoope's process. By this process 99.9% pure aluminium metal is obtained. The cell used for this process consist of three layers. In this cell pure Al acts as cathode and anode is made up of impure Al.