Question

iron nails were dipped in blue coloured copper sulphate solution for few hours after few hour colour of the solution changed to dirty green a brown colour coating deposited on Iron nails Iron nails were deformed

a. why colour of the solution changed
b. name the brown coating on Iron nails
c. why Iron nails were deformed
d. which type of chemical reaction is it
e. give chemical equation for this ​

Answer 1

Answer:

a. Because of the formation of Iron sulphate (FeSO4) which is green in colour.

b. Copper.

c. Because of the deposition of copper on the nails.

d. It is displacement reaction.

e. CuSO4+Fe----------->FeSO4+Cu