A solution of concentrated sodium chloride (brine) is electrolyzed using graphite electrodes.
a) Give the formulas of all the ions present in the sodium chloride solution ( 2 marks)
b) Write an equation for the reaction at the cathode ( 2 marks)
c) Is the reaction in (b) reduction or oxidation? Give a reason for your answer. (2 marks)
D)Which ions remain in the solution unaffected during electrolysis? (2 marks)
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Answer:
b write an equation for the
Answered by
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Answer:
b) Write an equation for the reaction at the cathode
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