Concept explainers
(a)
Interpretation:The growing electrode is to be mentioned with reaction.
Concept Introduction: The cathode is the negative terminal of the cell in which positive ions get reduced.
(a)
Answer to Problem 62A
The Zn electrode (cathode) grows due to the following reaction:
Explanation of Solution
In the electrolytic cell reaction, the copper ions present in the solution get reduced at the cathode and copper metal gets deposited on the cathode, therefore, its size increases.
(b)
Interpretation:The reducing electrode is to be mentioned with reaction.
Concept Introduction: The anode is the positive terminal of the cell in which negative ions or uncharged metals get oxidized.
(b)
Answer to Problem 62A
The Cu electrode (anode) reduces due to the following reaction:
Explanation of Solution
In the electrolytic cell reaction, the copper ions present in the solution get reduced at the cathode and the copper electrode gets oxidized to
Chapter 20 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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