Question

25. Iron flings were added to solution of CuSO4. Afar 10 minutes, it was observed that the
blue colour of the solution changed and a layer was deposited on iron flings. The colour
of the solution and that of the coating would respectively be:
a. Yellow green
b. Brown blue
c Red greenish-blue
d Green reddish brown
​

Answer 1

Answer:d)Green reddish- brown

Explanation:

The color of layer deposited on iron filings is brown due to the deposition of copper metal and the blue colour of the copper sulphate solution changes to green.

Fe+CuSO4-----------》FeSO4+Cu