Question

In order to obtain a coating of silver metal on a flower vase made of copper, the electrolyte has to be:
A. silver nitrate solution
B. copper nitrate solution
C. sodium nitrate solution
D. copper sulphate solution

Answer 1

Answer:

Siver nitrate solution

Explanation:

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Answer 2

In order to obtain a coating of silver metal on a flower vase made of copper, the electrolyte has to be A. silver nitrate solution.

Explanation:

• The silver metal is taken as anode whereas copper metal is taken as cathode.
• This process is used in electroplating of silver over copper metal.
• When electricity is passed through electrodes, then silver nitrate ionizes into silver ions and nitrate ions.
• Copper ions (Cu⁺) react with nitrate ions (NO₃⁻) to form salt on electrolyte. The silver ions of the electrolytes are deposited on cathode (negative).
• The silver undergoes reduction reaction and copper undergoes oxidation reaction.