In the electrolysis of $M^{n +} (a q)$ , metal ions are discharged at negative electrode (cathode) and deposited there, above method of extraction is not possible for:

Sodium

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

Aluminium

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

Silver

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

Copper

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

Open in App

Solution

The correct option is B Aluminium
Extraction of reactive metals is not possible by aqueous salt electrolysis.

Suggest Corrections

Similar questions

Q. In the electrolysis of

M^{n +} (a q)

, metal ions are discharged at negative electrode (cathode) and deposited there, above method of extraction is not possible for:

Metallic ions are discharged at the __(anode/ cathode) during electrolysis.

Q. The given diagram shows the electrolysis of a concentrated aqueous solution containing both copper (II) ions and sodium ions. Which metal is deposited at the negative electrode and why?

Q. Assertion :Alkali metals are obtained by electrolysis of molten salt and not aqueous solution. Reason: The discharge potential of H ions is lower than alkali metal cation hence hydrogen is discharged at cathode instead of metal.

(a) Here is an electrode reaction :

$C u \to C u^{2 +} + 2 e^{-}$ . At which electrode (anode or cathode) would such a reaction take place? Is this an example of oxidation or reduction ?

(b) A solution contains magnesium ions $(M g^{2 +})$ , iron (II) ions $F e^{2 +}$ and copper ions $C u^{2 +}$ . On passing an electric current through this solution, which ions will be the first to be discharged at the cathode? Write the equation for the cathode reaction.

(d) During the electrolysis of molten lead bromide, which of the following takes place ?

A. Bromine is released at the cathode,

B. Lead is deposited at the anode,

C. Bromine ions gain electrons,

D. Lead is deposited at the cathode.

Join BYJU'S Learning Program

In the electrolysis of Mn+(aq), metal ions are discharged at negative electrode (cathode) and deposited there, above method of extraction is not possible for:

The correct option is B AluminiumExtraction of reactive metals is not possible by aqueous salt electrolysis.

In the electrolysis of $M^{n +} (a q)$ , metal ions are discharged at negative electrode (cathode) and deposited there, above method of extraction is not possible for:

The correct option is B Aluminium
Extraction of reactive metals is not possible by aqueous salt electrolysis.