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 metallic ions that should be present in the electrolyte when an article made of copper is to be electroplated with silver.

Out of Cu and Ag, which is more active?

State the electrode reaction at the anode during electrolysis of:
Aqueous copper sulphate solution.

Give reason for the following:

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

Give three applications of electrolysis.

List out the main applications of electrolysis.

The following question relate to the electroplating of an article with silver.
Name the electrode formed by the article which is to be plated.

The following question relate to the electroplating of an article with silver.
What ions must be present in the electrolyte?

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

Draw a labelled diagram to show how iron is electroplated with copper.