Question

Electroplating of copper can be made on iron but not in silver . Why? ( Grade 9th)

Answer 1

Iron is used for the electroplating of so copper because iron falls above copper in the electrochemical series whereas silver will fall off below the copper in electrochemical series that makes it not reliable for the electroplating purpose.

Electrochemical series is the one in which metals are listed with other substances arranged in the order of their ranks of how easily their atoms may lose electrons.

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Answer 2

In electrochemical series iron is more reactive than copper