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Question: Answered & Verified by Expert
A spoon to be electroplated with gold should be
ChemistryElectrochemistryAIIMSAIIMS 2001
Options:
  • A cathode
  • B anode
  • C electrolyte
  • D none of these.
Solution:
1390 Upvotes Verified Answer
The correct answer is: cathode
Standard electrode potential for Gold is
$$
\mathrm{Au}^{3+}+3 e^{-} \rightleftharpoons \mathrm{Au}
$$
is 1.50 volt. therefore, gold get easily reduced. So to electroplate gold on the spoon, spoon should be made cathode as reduction takes place on cathode.

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