Answer
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Hint: Electroplating is a technique used to coat a coat metal on metal to protect the base metal against corrosion. Electroplating is the most sophisticated method to protect the base metal form the corrosive environment.
Complete answer:
- In the question it is asked to draw the diagram of the apparatus used in the electroplating process.
- In the electroplating process, cathode is the base metal and anode is the coat metal plate and the electrolyte is the salt solution of coat metal.
- Both the electrodes are dipped in a vessel having the salt solution of coat metal.
- When a certain amount of direct current is passed through the salt solution the coat metal ions will move towards the cathode and a thin layer of coat metal is going to form on the surface of the base metal.
- The diagram which explains the electroplating process is as follows.
- Coat metal and different electrolytes used in electroplating process are as given in the following table
Note:
Electroplating processes can be used to coat both metals (like Fe, Cu, steel etc.) and nonmetals (like plastics, wood, glass etc.). This method is very easy to handle and now a day’s various utensils are getting coated by using this method. This method is called corrosion prevention or control method used in industries also.
Complete answer:
- In the question it is asked to draw the diagram of the apparatus used in the electroplating process.
- In the electroplating process, cathode is the base metal and anode is the coat metal plate and the electrolyte is the salt solution of coat metal.
- Both the electrodes are dipped in a vessel having the salt solution of coat metal.
- When a certain amount of direct current is passed through the salt solution the coat metal ions will move towards the cathode and a thin layer of coat metal is going to form on the surface of the base metal.
- The diagram which explains the electroplating process is as follows.
- Coat metal and different electrolytes used in electroplating process are as given in the following table
Coating metal | Electrolyte |
Silver | Silver thiocyanate |
Copper | Copper sulphate |
Nickel | Nickel sulphate |
Chromium | Chromic acid |
Gold | Aurum chloride |
Note:
Electroplating processes can be used to coat both metals (like Fe, Cu, steel etc.) and nonmetals (like plastics, wood, glass etc.). This method is very easy to handle and now a day’s various utensils are getting coated by using this method. This method is called corrosion prevention or control method used in industries also.
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