Interpretation: The difference between an electrolytic cell and a voltaic cell needs to be explained.
Concept Introduction: In
Explanation of Solution
In a voltaic cell, a spontaneous
The major differences between voltaic cells and electrolytic cells are explained below:
Voltaic cells | Electrolytic cells |
Redox reaction (spontaneous) converts chemical energy to electrical energy. | Redox reaction (non-spontaneous) converts electric energy to chemical energy. |
In redox reactions, electrical energy is produced. | Electrical energy is used to produce a |
The positive electrode is the cathode and the negative electrode is the anode. | The anode is the positive electrode and the cathode is the negative. |
Cathode and anode electrodes are placed in different containers connected via salt bridges. | Both cathode and anode are placed in the same container containing molten electrolyte solution. |
They are used in batteries. | They are used in purification and electroplating methods. |
Chapter 21 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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