Question

Define electroplating. How copper metal can be purified from its impure form by using electroplating?

Answer 1

Answer:

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Explanation:

Electroplating is the process of applying a metal coating on another piece of metal (or another conductive surface) through an electro-deposition process. In electroplating, the deposited metal becomes part of the existing product with the plating/coating.

During purification of copper metal via electrolysis, copper sulphate solution (CuSO4 ) is taken as an electrolyte. Copper from thick impure copper plate gets oxidized and dissolved in the solution as Cu +2 ions whereas those Cu +2 ions present in the solution get reduced at the thin pure copper plate and thus copper is purified.

Answer 2

Answer:

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Electroplating is the process of applying a metal coating on another piece of metal (or another conductive surface) through an electro-deposition process. In electroplating, the deposited metal becomes part of the existing product with the plating/coating.