Question

Iron filing were added to a solution of copper

sulphate.

After 10 minutes, it was observed that the blue

colour of the solution changes and a layer gets

deposited on iron fillings. The colour of (i) the

solution and (ii) that of the coating on iron fillings

would respectively be

a) (i) yellow and (ii) pale green

b) (i) brown and (ii) blue

c) (i) red and (ii) greenish blue

d) (i) pale green and (ii) reddish brown.​

Answer 1

Answer:

d) (i) pale green

(ii)reddish brown

Answer 2

Answer:

( I) pale green

( ii) reddish brown

( iii) greenish blue