Which of the following statements about the electrolysis ...
Which of the following statements about the electrolysis of CuSO4(aq) using copper cathode and platinum anode is not correct?
Copper is deposited at the cathode
Oxygen is liberated at the anode
it is used for the purification of copper
The solution becomes acidic
Correct answer is C
For purifying impure copper, the anode electrode is impure copper while the cathode electrode is pure copper, but for this question, two different electrodes were used, hence option C is the correct option to this question.
What is the pH of 0.001 mol dm-3 solution of sodium hydroxide ...
Consider the following reaction equation: 2Al(OH)3 + 3H2SO4 →Al2(SO4)3...
An iron ore is known to contain 70.0% Fe2O3. The obtain from 80kg of the ore is? (Fe = 56, O = 16...
One of the following is not a physical property of monosaccharides? ...
The most suitable method to use when separating an insoluble solid from a liquid is ...
What type of reaction is represented by the following equation?21D31H → ...
All the following belong to the same family EXCEPT ...
Which of the following statements about a molar solution is correct? it ...
The purity of a solid sample can best be determined by its? ...
The chemical reaction which takes place at the anode (positive electrode) in electrolysis is? ...