Question

what will happen when iron nails put in salt of copper sulphate. write the reason of your answer. 1 marks​

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

Answer:

it should be solution of copper sulphate, not salt .

Due to this , the blue colour copper sulphate solution will turn into light green due to formation of ferrous sulphate and reddish brown copper will get deposited on the iron nails.

Hope this helps!!

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