Electrolytic Cells and Electrolysis
Electrolytic Cells and Electrolysis: Overview
This Topic covers sub-topics such as Electrolysis, Electrodes, Cathode, Anode, Types of Electrodes, Electrolytic Cells and, Arrhenius Theory for Dissociation/Ionisation of Electrolysis
Important Questions on Electrolytic Cells and Electrolysis
In hydrogen-oxygen fuel cell, combustion of hydrogen occurs to –
The image below shows electrolysis of an electrolyte using a DC voltage source.
Based on this, Which of the following statements is/are correct?
(i) The solution remains electrically neutral during electrolysis.
(ii) Electrons flow from the current source towards the solution at one electrode, and an equal number of electrons flow away from the solution at the other electrode.
(iii) The number of positive ions moving towards one electrode is always equal to the number of negative ions moving towards the other electrode.
In the electrolytic cell, flow of electrons is from
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
(1) Na (2) Ca
(3) Fe (4) Cu
A platinum electrode is an reactive electrode.
What are the composition of the electrodes?
Name the different types of electrodes?
An Arrhenius _____ is a substance that dissociates in water to form hydroxide ions.
_____ theory for the dissociation of electrolytes states that acids are substances that dissociate in water to yield electrically charged atoms or molecules, called ions.
Write limitations of Arrhenius theory of electrolytic dissociation.
Explain the Arrhenius theory for the dissociation of electrolytes.
In electrochemical cell, oxidation and reduction occurs at
Which of the following statements is not applicable to electrolytic conductors?
The gas evolved at the anode when is electrolyzed between electrodes is:
For daniel cell reaction then and the cell reaction will be:-
Which of the following is an incorrect statement:
Based on the cell representation for a spontaneous reaction, at the anode:
The highly efficient method of obtaining beryllium is :
Name the electrode at which reduction occurs
How many coulombs are required for the oxidation of one mole of to?