Q. In which of the following instances there is no change in the concentration of the
solution during electrolysis?
a) Concentrated HCl between Carbon electrodes
b) Copper (ii) Sulphate solution between platinum electrodes
c) Copper (ii) Sulphate solution between copper electrodes
d) Dilute Sulphuric Acid between platinum electrodes
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This class experiment can be done by students working either in pairs or threes. Equipment. Apparatus. Eye protection; Beaker, 250 cm3; Graphite electrodes
Explanation:
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