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प्रश्न
What ions must be present in a solution used for electroplating a particular metal?
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उत्तर
The electrolyte used for this purpose must contain the metal ions that will be electroplated in the article.
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संबंधित प्रश्न
Identify the substance underlined, in the following case
The electrolyte used for electroplating an article with silver.
Give reasons why In the electroplating of an article with silver, the electrolyte sodium argentocyanide solution is preferred over silver nitrate solution.
State one relevant observation for the following:
At the anode when aqueous copper sulphate solution is electrolysed using copper electrodes.
Choose the correct answer from the options given below:
The electrolyte used for electroplating an article with silver is
A. Silver nitrate solution
B. Silver cyanide solution
C. Sodium argentocyanide solution
D. Nickel sulfate solution
Out of Cu and Ag, which is more active?
How would you change Cu2+ ion to Cu?
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.
How is impure copper purified by electrolysis ? Explain.
A solution of silver nitrate is a good electrolyte but is not used for electroplating an article with silver.
