(a)
Interpretation:
The zero-current potential of the
(a)
Explanation of Solution
The zero-current potential of the
(b)
Interpretation:
The cathodic current density from the rate of deposition of iron ion has to be calculated.
(b)
Explanation of Solution
The cathodic current density from the rate of deposition of iron ion is calculated as,
-E’/mV | ||||
1.47 | 702 | 84 | 0.0312 | 0.0324 |
2.18 | 727 | 109 | 0.0462 | 0.0469 |
3.11 | 752 | 134 | 0.0659 | 0.0663 |
7.26 | 812 | 194 | 0.154 | 0.154 |
(c)
Interpretation:
The exchange-current density has to be determined by analysing the given data.
(c)
Explanation of Solution
The exchange-current density using the given data is calculated as,
The correlation coefficient and the standard deviation indicate that the plot provides an excellent description of the data.
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Chapter 19 Solutions
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