Question

2. Why does the colour of copper sulphate solution change when an iron nailis
dipped in it? Write two observations (2M)​

Answer 1

Answer:

The colour of copper sulphate solution ( colour: blue) changes into a green solution of ferrous sulphate (FeSO4) because of the displacement of copper from its sulphate and getting exchanged by iron . 2 observations are :-

1) Red deposits of iron settles down at the bottom of the vessel or test tube etc.....

2) Colour of the solution changes from blue to green.......

THANKS I THINK IT'S HELPFUL..........

Answer 2

Answer:

iron displaces copper in displacement reaction

Explanation:

1 observation

colour of iron nail get brown

2 observation

the colour of soloution tuns to green