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Extraction of Copper

44. When an a...

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44. When an aqueous solution of copper sulphate is electrolysed using copper electrodes the reaction at anode is represented by

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(a) State observation at the anode when aqueous copper sulphate solution is electrolysed using copper electrodes.

(b) During electrolysis of molten lead bromide, graphite anode is preferred to other electrodes. Give reason.

(c) Electrolysis of molten lead bromide is considered to be a redox reaction. Give reason.

Q. During the electrolysis of the aqueous solution of copper sulphate using Pt electrodes, the reaction taking place at anode electrode is:

Q. State your observations for the following electrolytic reactions:
(a) Solid copper sulphate is electrolysed between platinum electrodes.
(b) Aqueous copper sulphate is electrolysed between platinum electrodes.
(c) Aqueous copper sulphate is electrolysed between copper electrodes.

The blue color of aqueous copper sulphate solution fades when it is electrolysed using platinum electrode.

An electrolytic cell is set up using two copper electrodes and an aqueous solution of copper (II) sulphate given below:

Name the ion discharged at the anode.

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