In case of electrolytic refining of the metal , the false statement(s)is/are

Options

A. the electrolyte is some soluble salt of the metal
B. the rod of impure is made cathode
C. carbon is used as a reducing agent
D. Both (b) and (c)

Answer

D

Explanation

In electrolyte of soluble salt of same metal (to be refined) is used. Rod of impure metals is made anode. There is no role of reducing agent such as carbon in the process of electrolytic refining. Hence , statement (b) and (c) are correct.