In electrorefining of metal, the impure metal is made the anode and a strip of pure metal, the cathode during electrolysis of an aqueous solution of a complex metal. This method of refining is useful in case of refining of I. Al II. Na III. Ag IV. Cu Choose the correct option.

Question

In electrorefining of metal, the impure metal is made the anode and a strip of pure metal, the cathode during electrolysis of an aqueous solution of a complex metal. This method of refining is useful in case of refining of I. Al II. Na III. Ag IV. Cu Choose the correct option. (A) I, II and III (B) II, III and IV (C) I, III and IV (D) I, II, III and IV

Tardigrade Admin · Accepted Answer

The electrorefining method of metals is useful for Al, Ag and Cu.

Q. In electrorefining of metal, the impure metal is made the anode and a strip of pure metal, the cathode during electrolysis of an aqueous solution of a complex metal. This method of refining is useful in case of refining of
I. $A l$
II. $N a$
III. $A g$
IV. $C u$
Choose the correct option.

I, II and III

II, III and IV

I, III and IV

I, II, III and IV

The electrorefining method of metals is useful for $A l, A g$ and $C u$ .

Q. In electrorefining of metal, the impure metal is made the anode and a strip of pure metal, the cathode during electrolysis of an aqueous solution of a complex metal. This method of refining is useful in case of refining of I. Al II. Na III. Ag IV. Cu Choose the correct option.