(a)
Interpretation: The
Concept Introduction:The electrode potential of the cell is defined as the potential of cell consisting of two electrodes. Therefore at anode the oxidation occurs and at cathode reduction occurs.
(a)
Answer to Problem 24.1QAP
The thermodynamic potential of the cell is
Explanation of Solution
The solution is
The expression for electrode potential is:
Here, standard electrode potential is
The electrode potential of the cell is equal to the difference between electrode potential of cathode and electrode potential of anode.
Here, the electrode potential of cathode is
The overall reaction is:
Write the reaction at cathode.
The reaction at anode is:
The expression for the electrode potential of cathode is:
The expression for the electrode potential of anode is:
Substitute
Substitute
Substitute
Therefore, the thermodynamic potential of the cell is
(b)
Interpretation:The
Concept Introduction:The current is directly proportional to voltage.
(b)
Answer to Problem 24.1QAP
The
Explanation of Solution
The oxygen is evolved at pressure of
The expression for
Here, voltage of cell is
Substitute
Therefore, the
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Chapter 24 Solutions
Principles of Instrumental Analysis
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