In the electrolytic refining process of Zinc, it is given that the crude metal is made anode while the electrolyte is used is $H_{2} S O_{4}$ (dilute) + $Z n S O_{4}$ . The cathode should be:

Pure Zinc

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

Zn-Hg Amalgam

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

Aluminum

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

All of the above

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

Open in App

Solution

The correct option is C
Aluminum

For the given electrolyte, Pure Zinc cathode gets dissolved in dilute $H_{2} S O_{4}$ and thus is impractical. Hence Aluminum is used as the cathode.

Suggest Corrections

Similar questions

In the electrolytic refining process of Zinc, it is given that the crude metal is made anode while the electrolyte is used is $H_{2} S O_{4}$ (dilute) + $Z n S O_{4}$ . The cathode should be:

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. Question 38
During extraction of metals, electrolytic refining is used to obtain pure metals.
(a) Which material will be used as anode and cathode for refining of silver metal by this process?
(b) Suggest a suitable electrolyte also.
(c) In this electrolytic cell, where do we get pure silver after passing electric current?

In the electrolytic refining of Copper (electrolyte is $C u S O_{4}$ solution + dil $H_{2} S O_{4}$ _;Pure Cu cathode and Impure Cu anode), metallic impurities having lower oxidation potential than Cu are deposited as __ sludge.

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.

Join BYJU'S Learning Program

In the electrolytic refining process of Zinc, it is given that the crude metal is made anode while the electrolyte is used is H2SO4 (dilute) + ZnSO4 . The cathode should be:

The correct option is C Aluminum For the given electrolyte, Pure Zinc cathode gets dissolved in dilute H2SO4 and thus is impractical. Hence Aluminum is used as the cathode.

In the electrolytic refining process of Zinc, it is given that the crude metal is made anode while the electrolyte is used is $H_{2} S O_{4}$ (dilute) + $Z n S O_{4}$ . The cathode should be:

The correct option is C
Aluminum

For the given electrolyte, Pure Zinc cathode gets dissolved in dilute $H_{2} S O_{4}$ and thus is impractical. Hence Aluminum is used as the cathode.