Question

Iron metal is placed in a blue coloured copper nitrate solution. What will you observe after one hour, explain?

Answer 1

Answer:

After an hour we will notice the solution turns dirty green due to the formation of ferrous sulphate. When Iron is added in Hydrated Copper Sulphate , it will displace copper from its salt solution and forms its respective salt. This reaction is called displacement reaction. Since Iron is placed above copper in activity series , it can easily displace copper and form its salt.

The reaction is as follows:

Fe + CuSO4 ---------------> FeSO4 + Cu

Iron metal + blue coloured copper sulphate --------------> Dirty green precipitate of ferrous sulphate + Copper metal

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