(a)
Interpretation:
The spontaneity of the reaction needs to be explained.
Concept introduction:
If the standard reduction potential for the overall
(a)
Answer to Problem 67A
This reaction is non-spontaneous.
Explanation of Solution
Oxidation Half reaction:
Reduction Half reaction:
Overall reduction potential is negative
Since the overall reduction potential is negative, the reaction is non spontaneous.
(b)
Interpretation:
The spontaneity of the reaction needs to be explained.
Concept introduction:
If the standard reduction potential for the overall redox reaction is positive, then the reaction becomes spontaneous.
Answer to Problem 67A
This reaction is non-spontaneous.
Explanation of Solution
Oxidation Half reaction:
Reduction Half reaction:
Overall reduction potential:negative
Since the overall reduction potential is negative, the reaction is non spontaneous.
(c)
Interpretation: Interpretation: The spontaneity of the reaction needs to be explained.
Concept introduction:
If the standard reduction potential for the overall redox reaction is
positive, then the reaction becomes spontaneous.
(c)
Answer to Problem 67A
This reaction is spontaneous.
Explanation of Solution
Oxidation Half reaction:
Reduction Half reaction:
Overall reduction potential:positive
Since the overall reduction potential is positive, the reaction is spontaneous.
(d)
Interpretation:
The spontaneity of the reaction needs to be explained.
Concept introduction:
If the standard reduction potential for the overall redox reaction is positive, then the reaction becomes spontaneous.
(d)
Answer to Problem 67A
This reaction is non spontaneous.
Explanation of Solution
Oxidation Half reaction:
Reduction Half reaction:
Overall reduction potential:negative
Since the overall reduction potential is negative, the reaction isnon spontaneous.
Chapter 20 Solutions
Chemistry: Matter and Change
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