How would you change Cu2+ ion to Cu?

How would you change Cu²⁺ ion to Cu?

Short/Brief Note

By supplying two electrons to Cu²⁺ or by loss of 2 electrons.

\[\ce{Cu^2+ + 2e- -> Cu}\]

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Chapter 6: Electrolysis - lntext Questions [Page 113]

Chapter 6 Electrolysis
lntext Questions | Q 4. (b) | Page 113

Name the following :

The process of coating of iron with zinc

State one relevant observation for the following:

At the anode when aqueous copper sulphate solution is electrolysed using copper electrodes.

Copy and complete the following table:

	Anode	Electrolyte
Purification of copper

Out of Cu and Ag, which is more active?

Give reason for the following:

The blue colour of aqueous copper sulphate fades when it is electrolysed using platinum electrodes.

List out the main applications of electrolysis.

The following question relate to the electroplating of an article with silver.
What should be the nature of the anode?

What ions must be present in a solution used for electroplating a particular metal?

The electrolyte used for electroplating an article with silver is ______.

Describe what happens to the iron object and the copper rod.