Question

When an iron nail is kept in copper sulphate solution the product formed is



iron oxide and water

copper and sulphuric acid

copper and ferrous sulphate solution

copper and hydrogen sulphide

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Answer 1

Answer:

When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed in the surface of iron and the colour of copper sulphate solution changes from blue to pale green. The reaction shows that iron is more reactive than copper because it displaces copper from the copper sulphate solution.

Answer 2

Explanation:

When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green. ... This video explains the chemical change occurs during the reaction of iron nails with copper sulphate solution.