In an electrolytic set-up to protect iron from corrosion, the iron is?

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Chemistry JAMB 1994

In an electrolytic set-up to protect iron from corrosion, the iron is?

  • made cathode checkmark
  • made anode
  • used with a metal of lower electropositive potential
  • initially coated with tin

The correct answer is: A

Explanation

In cathodic protection,iron object is made cathode by connecting it with reactive elements like magnesium,zinc.

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