Question

What happens when you drop an Iron nail in copper Sulphate
solution ? Explain with equation​

Answer 1

Remember the reactivity series of metal s, which says that Iron is more reactive than copper, therefore it can displace copper from its salts (here,copper sulphate).

The displacement reaction taking place can e written as :

Fe + CuSO4(aq) == FeSO4 + Cu

Iron + Copper Sulphate(aq) == Iron sulphate + copper

Now, enough basics, directly to question…

A fter 30 minutes:

1) The initial blue colour of copper sulphate solution is changed to light green colour of iron sulphate.

2) The initial silver colour of iron nail is changed to reddish-brown colour due to coating of copper metal on the nail.

Answer 2

Answer:

Hi mate here's your answer.

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.

Fe + CuSO4 (aq) ------} FeSO4 + Cu

Hope you get it.

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