In the purification of copper by electro...

In the purification of copper by electrolysis, which is incorrect ?

A

Acidic solution of Cu (II) sulphate is used

B

`H_3O^+` ion is discharged at cathode

C

Anode is made of impure copper

D

`OH^-` is discharged at anode

Text Solution

Verified by Experts

The correct Answer is:

B

Promotional Banner

Promotional Banner

Topper's Solved these Questions

THERMODYNAMICS
MBD PUBLICATION|Exercise Question Bank|457 Videos

MBD PUBLICATION-TRANSITION METALS (d-BLOCK ELEMENTS)-QUESTION BANK

For which one of the following ions, the colour is not duo to a d-d tr...
Text Solution
|
Silver chloride dissolves in a solution of ammonia but not in water be...
Text Solution
|
In the purification of copper by electrolysis, which is incorrect ?
Text Solution
|
In photography we use :
Text Solution
|
Which is known as purple of cassius ?
Text Solution
|
Brass is an alloy of :
Text Solution
|
An ore of silver is :
Text Solution
|
A developer used in photography is :
Text Solution
|
Which of the following statements regarding copper salte is not true :
Text Solution
|
Which of the following alloys does not contain copper?
Text Solution
|
In the extraction of copper we use :
Text Solution
|
The process used in obtaining metallic silver from argentite is :
Text Solution
|
The slag obtained during the extraction of copper pyrites is composed ...
Text Solution
|
AgCl dissolved in ammonia solution giving
Text Solution
|
Cu2O is :
Text Solution
|
Cu^(2+) ions would be reducd to cuprous ion if their solution are mixe...
Text Solution
|
Which method is used to remove silver impurities from lead?
Text Solution
|
Which is used in photography ?
Text Solution
|
Gold dissolves in aqua-regia forming :
Text Solution
|
An extremely hot copper wire reacts with steam to give :
Text Solution
|