which metal is electroplated on iron for making utensils used to storage of food. explain the process with the help of a labeled diagram

Tin is used to electroplate iron cans or utensils used for storing food because Tin is less reactive than iron and it protects iron from corrosion , rusting . It makes the cans corrosion free , non poisonous and shiny .

PROCESS : ELECTROPLATING TIN OVER IRON.
  • For electroplating Tin over iron , we need to take a Tin strip as anode , Iron can as cathode and the salt solution of tin as electrolyte.
  • The tin strip is dipped into the solution and is connected to the postive terminal of the battery.
  • The iron can is also dipped in the solution and is connected to the negative terminal of the battery.
  • When the electric current passes through the solution , the tin form the tin strip gets deposited on the iron can.

  THUS,TIN IS ELECTROPLATED ON IRON TO MAKE IT CORROSION FREE.



 

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Usually zinc or chromium or nickel is used to electroplate utensils so that the iron metal doesn't get corroded , this process is galvanising. Copper is not used as it reacts with food and gets poisonous.
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zinc, nickle .
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