In the electrolytic refining of a metal M, what would you take as the anode is :

impure metal M

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

thin strip of pure metal M

No worries! We‘ve got your back. Try BYJU‘S free classes today!

solution of salt of the metal M

No worries! We‘ve got your back. Try BYJU‘S free classes today!

none of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A impure metal M
The purest copper is obtained by an electrolytic process using impure copper as the anode and a thin sheet of pure copper as cathode. The electrolyte is an acidic solution of copper sulphate. By passing electricity copper is dissolved from anode and deposits at cathode.

Suggest Corrections

Similar questions

Q. In the electrolytic refining of metals, electrolysis of an aqueous solution of its complex salt is done with impure metal as anode and a strip of pure metal as cathode. This method cannot be used for the refining of:

Q. Assertion :In electrolyte refining of metal, impure metal is made cathode while a strip of pure metal is used as anode. Reason: The pure metal gets deposited at anode as anode mud.

Q. Mark the correct statements:

(i) mercury can be refined by the process of distillation.

(ii) In poling, the molten impure metal is stirred with green poles of wood.

(iii) In electrolyte refining of metals, impure metal is made as cathode and a thin strip of pure metal is made as anode.

In general, electrolytic refining is a process of purification of impure metal during which an electric current is passed through an electrolytic cell which contains impure metal as anode, a suitable electrolyte and pure metal as cathode.

Q. Electrolytic refining is the method used to refine impure metals. In the process of electrolytic refining, a solution of the metal salt is used as electrolyte.

Join BYJU'S Learning Program