Which of the following statements are true regarding the electroplating an iron key with copper?

Iron is connected to the negative terminal of the battery.

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Copper is connected to the positive terminal of the battery.

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Copper sulphate solution is used as the electrolyte.

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Sulphuric acid is used as the electrolyte.

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Solution

The correct options are
A Iron is connected to the negative terminal of the battery.
B Copper is connected to the positive terminal of the battery.
In the process of electroplating an iron key with copper, copper is connected to the positive terminal of the battery and iron is connected to the negative terminal. Copper sulphate dissolved in water with a few drops of sulphuric acid is used as the electrolyte.

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Similar questions

In the process of purification of copper metal, a thin plate of pure copper and a thick rod of impure copper are used as electrodes, and a metal salt solution is used as an electrolyte :
(a) Which electrode is connected to the positive terminal of the battery ?
(b) Which electrode is connected to the negative terminal of the battery ?
(c) Which metal salt solution is taken as electrolyte ?

(a) Which effect of electric current is utilised when a thin layer of chromium metal is deposited on an iron tap? What is this process known as?
(b) For electroplating copper on an iron object, which terminal of the battery (positive or negative) is connected to the iron object? Also, name the electrolyte you will use for this purpose.

A beaker contains an acidified copper sulphate solution. A copper plate and a carbon rod are kept in this copper sulphate solution. The copper plate is connected to the positive terminal of a battery whereas the carbon rod is connected to the negative terminal of the battery. What will you observe when an electric current is passed through this set-up for a considerable time?

Q. State whether true or false :

If current is passed through copper sulphate solutions, copper gets deposited on the plate connected to the negative terminal of the battery.

If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the positive terminal of the battery.

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