Chapter 21: Q21.91P (page 922)
In the electrolysis of a molten mixture of NaCl and, identify the product that forms at the anode and at the cathode.
Short Answer
At the anode, gas forms, while at the cathode, Ca metal develops.
Chapter 21: Q21.91P (page 922)
In the electrolysis of a molten mixture of NaCl and, identify the product that forms at the anode and at the cathode.
At the anode, gas forms, while at the cathode, Ca metal develops.
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Get started for free(a) How do the relative magnitudes of Q and K relate to the signs of and ? Explain.
(b) Can a cell do work when Q/K> or Q/K< ? Explain.
What does a negative cell indicate about a redox reaction? What does it indicate about the reverse reaction?
Consider the following general electrolytic cell:
(a) At which electrode does oxidation occur?
(b) At which electrode does elemental M form?
(c) At which electrode are electrons being released by ions?
(d) At which electrode are electrons entering the cell?
A voltaic cell is constructed with an half-cell and an half-cell. The iron electrode is positive.
(a) Write balanced half-reactions and the overall reaction.
(b) Diagram the cell, labeling electrodes with their charges and showing the directions of electron flow in the circuit and of cation and anion flow in the salt bridge.
During the redox balancing process, what step is taken to ensure thatloss equalsgain?
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