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When a spoon is to be electroplated with nickel the spoon is
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- dipped in a nickel sulphate solution
- made anode and a pure nickel rod, the cathode
- made cathode and a pure nickel red, the anode
- coated with nickel sulphate and dried
- dipped in a nickel sulphate solution
Correct Option: C
Electroplating is the deposition by electrolysis of a coating of metal upon a conducting surface. The simplest system makes the object to be plated the negative electrode (cathode) or plate in a galvanic couple. Thus a spoon or other object may be connected by a wire to a plate of nickel. The process that occurs on the spoon is called reduction and, therefore, the spoon is also referred to as a cathode.
